1308937272 has 32 divisors (see below), whose sum is σ = 3385184400. Its totient is φ = 421266944.

The previous prime is 1308937261. The next prime is 1308937297. The reversal of 1308937272 is 2727398031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939633 + ... + 941024.

Almost surely, 2^1308937272 is an apocalyptic number.

1308937272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1308937272 is an abundant number, since it is smaller than the sum of its proper divisors (2076247128).

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

1308937272 is a wasteful number, since it uses less digits than its factorization.

1308937272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880695 (or 1880691 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 1308937272 is about 36179.2381345987. The cubic root of 1308937272 is about 1093.8882183224. Note that the first 3 decimals are identical.

It can be divided in two parts, 130893 and 7272, that multiplied together give a triangular number (951853896 = T₄₃₆₃₁).

The spelling of 1308937272 in words is "one billion, three hundred eight million, nine hundred thirty-seven thousand, two hundred seventy-two".