1272252080 has 60 divisors (see below), whose sum is σ = 3251364816. Its totient is φ = 462633600.

The previous prime is 1272252043. The next prime is 1272252089. The reversal of 1272252080 is 802522721.

It is not an unprimeable number, because it can be changed into a prime (1272252089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56036 + ... + 75395.

Almost surely, 2^1272252080 is an apocalyptic number.

1272252080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1272252080 is an abundant number, since it is smaller than the sum of its proper divisors (1979112736).

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

1272252080 is a wasteful number, since it uses less digits than its factorization.

1272252080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131466 (or 131449 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 1272252080 is about 35668.6428112986. The cubic root of 1272252080 is about 1083.5718728895.

It can be divided in two parts, 1272 and 252080, that added together give a palindrome (253352).

The spelling of 1272252080 in words is "one billion, two hundred seventy-two million, two hundred fifty-two thousand, eighty".