103113172 has 6 divisors (see below), whose sum is σ = 180448058. Its totient is φ = 51556584.

The previous prime is 103113169. The next prime is 103113203. The reversal of 103113172 is 271311301.

It can be written as a sum of positive squares in only one way, i.e., 102495376 + 617796 = 10124^2 + 786^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12889143 + ... + 12889150.

Almost surely, 2^103113172 is an apocalyptic number.

It is an amenable number.

103113172 is a deficient number, since it is larger than the sum of its proper divisors (77334886).

103113172 is a wasteful number, since it uses less digits than its factorization.

103113172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25778297 (or 25778295 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 103113172 is about 10154.4656186330. The cubic root of 103113172 is about 468.9264345132.

Adding to 103113172 its reverse (271311301), we get a palindrome (374424473).

It can be divided in two parts, 103113 and 172, that added together give a triangular number (103285 = T₄₅₄).

The spelling of 103113172 in words is "one hundred three million, one hundred thirteen thousand, one hundred seventy-two".