103157172 has 96 divisors (see below), whose sum is σ = 277692800. Its totient is φ = 33094656.

The previous prime is 103157167. The next prime is 103157183. The reversal of 103157172 is 271751301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450354 + ... + 450582.

Almost surely, 2^103157172 is an apocalyptic number.

103157172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103157172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138846400).

103157172 is an abundant number, since it is smaller than the sum of its proper divisors (174535628).

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

103157172 is a wasteful number, since it uses less digits than its factorization.

103157172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 103157172 is about 10156.6319220498. The cubic root of 103157172 is about 468.9931244379.

The spelling of 103157172 in words is "one hundred three million, one hundred fifty-seven thousand, one hundred seventy-two".