102472456 has 8 divisors (see below), whose sum is σ = 192135870. Its totient is φ = 51236224.

The previous prime is 102472451. The next prime is 102472493. The reversal of 102472456 is 654274201.

It can be written as a sum of positive squares in only one way, i.e., 68062500 + 34409956 = 8250^2 + 5866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (102472451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6404521 + ... + 6404536.

Almost surely, 2^102472456 is an apocalyptic number.

It is an amenable number.

102472456 is a deficient number, since it is larger than the sum of its proper divisors (89663414).

102472456 is a wasteful number, since it uses less digits than its factorization.

102472456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12809063 (or 12809059 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 102472456 is about 10122.8679730598. The cubic root of 102472456 is about 467.9531572177.

The spelling of 102472456 in words is "one hundred two million, four hundred seventy-two thousand, four hundred fifty-six".