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130401227 = 1171166967
BaseRepresentation
bin1111100010111…
…00001111001011
3100002101001212002
413301130033023
5231340314402
620534541215
73142251335
oct761341713
9302331762
10130401227
1167676410
123780780b
13210292b8
1413466455
15b6ac602
hex7c5c3cb

130401227 has 8 divisors (see below), whose sum is σ = 144260352. Its totient is φ = 116876200.

The previous prime is 130401211. The next prime is 130401251. The reversal of 130401227 is 722104031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130401227 - 24 = 130401211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130401199 and 130401208.

It is not an unprimeable number, because it can be changed into a prime (130421227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82703 + ... + 84264.

It is an arithmetic number, because the mean of its divisors is an integer number (18032544).

Almost surely, 2130401227 is an apocalyptic number.

130401227 is a deficient number, since it is larger than the sum of its proper divisors (13859125).

130401227 is a wasteful number, since it uses less digits than its factorization.

130401227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167049.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 130401227 is about 11419.3356636890. The cubic root of 130401227 is about 507.1003293647.

Adding to 130401227 its reverse (722104031), we get a palindrome (852505258).

The spelling of 130401227 in words is "one hundred thirty million, four hundred one thousand, two hundred twenty-seven".

Divisors: 1 11 71 781 166967 1836637 11854657 130401227