1272497588 has 12 divisors (see below), whose sum is σ = 2228419872. Its totient is φ = 635806200.

The previous prime is 1272497561. The next prime is 1272497623. The reversal of 1272497588 is 8857942721.

It is a super-2 number, since 2×1272497588² = 3238500222931635488, which contains 22 as substring.

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, 104138 + ... + 115713.

It is an arithmetic number, because the mean of its divisors is an integer number (185701656).

Almost surely, 2^1272497588 is an apocalyptic number.

It is an amenable number.

1272497588 is a deficient number, since it is larger than the sum of its proper divisors (955922284).

1272497588 is a wasteful number, since it uses less digits than its factorization.

1272497588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221302 (or 221300 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 53.

The square root of 1272497588 is about 35672.0841555410. The cubic root of 1272497588 is about 1083.6415677919.

The spelling of 1272497588 in words is "one billion, two hundred seventy-two million, four hundred ninety-seven thousand, five hundred eighty-eight".