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125133102 = 2326951839
BaseRepresentation
bin1110111010101…
…10000100101110
322201110102100100
413131112010232
5224013224402
620230011530
73046420353
oct735260456
9281412310
10125133102
11646a8396
1235aa6ba6
131cc03473
141289462a
15aebb71c
hex775612e

125133102 has 12 divisors (see below), whose sum is σ = 271121760. Its totient is φ = 41711028.

The previous prime is 125133101. The next prime is 125133109. The reversal of 125133102 is 201331521.

It is a super-2 number, since 2×1251331022 = 31316586432284808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6951839 = 125133102 / (1 + 2 + 5 + 1 + 3 + 3 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125133101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3475902 + ... + 3475937.

It is an arithmetic number, because the mean of its divisors is an integer number (22593480).

Almost surely, 2125133102 is an apocalyptic number.

125133102 is an abundant number, since it is smaller than the sum of its proper divisors (145988658).

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

125133102 is a wasteful number, since it uses less digits than its factorization.

125133102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951847 (or 6951844 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 125133102 is about 11186.2908061609. The cubic root of 125133102 is about 500.1774063798.

Adding to 125133102 its reverse (201331521), we get a palindrome (326464623).

The spelling of 125133102 in words is "one hundred twenty-five million, one hundred thirty-three thousand, one hundred two".

Divisors: 1 2 3 6 9 18 6951839 13903678 20855517 41711034 62566551 125133102