103161972 has 24 divisors (see below), whose sum is σ = 244792800. Its totient is φ = 33804256.

The previous prime is 103161943. The next prime is 103162043. The reversal of 103161972 is 279161301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72147 + ... + 73562.

It is an arithmetic number, because the mean of its divisors is an integer number (10199700).

Almost surely, 2^103161972 is an apocalyptic number.

103161972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103161972 is an abundant number, since it is smaller than the sum of its proper divisors (141630828).

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

103161972 is a wasteful number, since it uses less digits than its factorization.

103161972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145775 (or 145773 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 103161972 is about 10156.8682181074. The cubic root of 103161972 is about 469.0003985552. Note that the first 3 decimals are identical.

The spelling of 103161972 in words is "one hundred three million, one hundred sixty-one thousand, nine hundred seventy-two".