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127036130 = 25132342487
BaseRepresentation
bin1111001001001…
…10101011100010
322212001002210212
413210212223202
5230010124010
620334454122
73101534504
oct744465342
9285032725
10127036130
1165788141
1236664342
132041b710
1412c2bd74
15b245505
hex7926ae2

127036130 has 32 divisors (see below), whose sum is σ = 256967424. Its totient is φ = 44865216.

The previous prime is 127036123. The next prime is 127036139. The reversal of 127036130 is 31630721.

It is a happy number.

It is a super-2 number, since 2×1270361302 = 32276356650753800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 127036096 and 127036105.

It is not an unprimeable number, because it can be changed into a prime (127036139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18254 + ... + 24233.

It is an arithmetic number, because the mean of its divisors is an integer number (8030232).

Almost surely, 2127036130 is an apocalyptic number.

127036130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127036130 is an abundant number, since it is smaller than the sum of its proper divisors (129931294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127036130 is a wasteful number, since it uses less digits than its factorization.

127036130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42530.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 127036130 is about 11271.0305651258. The cubic root of 127036130 is about 502.7002312516.

Adding to 127036130 its reverse (31630721), we get a palindrome (158666851).

The spelling of 127036130 in words is "one hundred twenty-seven million, thirty-six thousand, one hundred thirty".

Divisors: 1 2 5 10 13 23 26 46 65 115 130 230 299 598 1495 2990 42487 84974 212435 424870 552331 977201 1104662 1954402 2761655 4886005 5523310 9772010 12703613 25407226 63518065 127036130