1272385708 has 24 divisors (see below), whose sum is σ = 2447653824. Its totient is φ = 573939600.

The previous prime is 1272385651. The next prime is 1272385721. The reversal of 1272385708 is 8075832721.

It is a super-2 number, since 2×1272385708² = 3237930779845322528, which contains 22 as substring.

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, 104610 + ... + 116137.

It is an arithmetic number, because the mean of its divisors is an integer number (101985576).

Almost surely, 2^1272385708 is an apocalyptic number.

It is an amenable number.

1272385708 is a deficient number, since it is larger than the sum of its proper divisors (1175268116).

1272385708 is a wasteful number, since it uses less digits than its factorization.

1272385708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220893 (or 220891 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 1272385708 is about 35670.5159480487. The cubic root of 1272385708 is about 1083.6098083677.

The spelling of 1272385708 in words is "one billion, two hundred seventy-two million, three hundred eighty-five thousand, seven hundred eight".