102432072 has 32 divisors (see below), whose sum is σ = 271144800. Its totient is φ = 32135424.

The previous prime is 102432049. The next prime is 102432073. The reversal of 102432072 is 270234201.

It is not an unprimeable number, because it can be changed into a prime (102432073) 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, 125122 + ... + 125937.

It is an arithmetic number, because the mean of its divisors is an integer number (8473275).

Almost surely, 2^102432072 is an apocalyptic number.

102432072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102432072 is an abundant number, since it is smaller than the sum of its proper divisors (168712728).

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

102432072 is a wasteful number, since it uses less digits than its factorization.

102432072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251085 (or 251081 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 102432072 is about 10120.8730848677. The cubic root of 102432072 is about 467.8916762953.

Adding to 102432072 its reverse (270234201), we get a palindrome (372666273).

The spelling of 102432072 in words is "one hundred two million, four hundred thirty-two thousand, seventy-two".