102437972 has 24 divisors (see below), whose sum is σ = 220636416. Its totient is φ = 40524768.

The previous prime is 102437969. The next prime is 102437977. The reversal of 102437972 is 279734201.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102437977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140348 + ... + 141075.

It is an arithmetic number, because the mean of its divisors is an integer number (9193184).

Almost surely, 2^102437972 is an apocalyptic number.

It is an amenable number.

102437972 is an abundant number, since it is smaller than the sum of its proper divisors (118198444).

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

102437972 is a wasteful number, since it uses less digits than its factorization.

102437972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281447 (or 281445 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 102437972 is about 10121.1645575003. The cubic root of 102437972 is about 467.9006595100.

The spelling of 102437972 in words is "one hundred two million, four hundred thirty-seven thousand, nine hundred seventy-two".