1501013172 has 24 divisors (see below), whose sum is σ = 3511764256. Its totient is φ = 498994848.

The previous prime is 1501013141. The next prime is 1501013177. The reversal of 1501013172 is 2713101051.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501013177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163198 + ... + 172149.

Almost surely, 2^1501013172 is an apocalyptic number.

1501013172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1501013172 is an abundant number, since it is smaller than the sum of its proper divisors (2010751084).

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

1501013172 is a wasteful number, since it uses less digits than its factorization.

1501013172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335727 (or 335725 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 1501013172 is about 38742.9112483819. The cubic root of 1501013172 is about 1144.9719161956.

It can be divided in two parts, 15010 and 13172, that added together give a palindrome (28182).

The spelling of 1501013172 in words is "one billion, five hundred one million, thirteen thousand, one hundred seventy-two".