1272134300 has 36 divisors (see below), whose sum is σ = 2855728680. Its totient is φ = 491305920.

The previous prime is 1272134291. The next prime is 1272134363. The reversal of 1272134300 is 34312721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216434 + ... + 222233.

Almost surely, 2^1272134300 is an apocalyptic number.

1272134300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1272134300 is an abundant number, since it is smaller than the sum of its proper divisors (1583594380).

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

1272134300 is a wasteful number, since it uses less digits than its factorization.

1272134300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438710 (or 438703 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1272134300 is about 35666.9917430669. The cubic root of 1272134300 is about 1083.5384342768.

The spelling of 1272134300 in words is "one billion, two hundred seventy-two million, one hundred thirty-four thousand, three hundred".