1237485972 has 12 divisors (see below), whose sum is σ = 2887467296. Its totient is φ = 412495320.

The previous prime is 1237485967. The next prime is 1237486007. The reversal of 1237485972 is 2795847321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51561904 + ... + 51561927.

Almost surely, 2^1237485972 is an apocalyptic number.

1237485972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1237485972 is an abundant number, since it is smaller than the sum of its proper divisors (1649981324).

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

1237485972 is a wasteful number, since it uses less digits than its factorization.

1237485972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103123838 (or 103123836 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 1237485972 is about 35177.9188128007. The cubic root of 1237485972 is about 1073.6105277493.

It can be divided in two parts, 12374 and 85972, that added together give a triangular number (98346 = T₄₄₃).

The spelling of 1237485972 in words is "one billion, two hundred thirty-seven million, four hundred eighty-five thousand, nine hundred seventy-two".