102403972 has 24 divisors (see below), whose sum is σ = 196805952. Its totient is φ = 46236000.

The previous prime is 102403957. The next prime is 102403979. The reversal of 102403972 is 279304201.

It is a self number, because there is not a number n which added to its sum of digits gives 102403972.

It is not an unprimeable number, because it can be changed into a prime (102403979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063 + ... + 14350.

It is an arithmetic number, because the mean of its divisors is an integer number (8200248).

Almost surely, 2^102403972 is an apocalyptic number.

It is an amenable number.

102403972 is a deficient number, since it is larger than the sum of its proper divisors (94401980).

102403972 is a wasteful number, since it uses less digits than its factorization.

102403972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15579 (or 15577 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 102403972 is about 10119.4847694930. The cubic root of 102403972 is about 467.8488870975.

The spelling of 102403972 in words is "one hundred two million, four hundred three thousand, nine hundred seventy-two".