1047777252 has 24 divisors (see below), whose sum is σ = 2588626656. Its totient is φ = 328714368.

The previous prime is 1047777229. The next prime is 1047777307. The reversal of 1047777252 is 2527777401.

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, 2567878 + ... + 2568285.

It is an arithmetic number, because the mean of its divisors is an integer number (107859444).

Almost surely, 2^1047777252 is an apocalyptic number.

1047777252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1047777252 is an abundant number, since it is smaller than the sum of its proper divisors (1540849404).

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

1047777252 is a wasteful number, since it uses less digits than its factorization.

1047777252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136187 (or 5136185 counting only the distinct ones).

The product of its (nonzero) digits is 192080, while the sum is 42.

The square root of 1047777252 is about 32369.3875753002. The cubic root of 1047777252 is about 1015.6786460178.

The spelling of 1047777252 in words is "one billion, forty-seven million, seven hundred seventy-seven thousand, two hundred fifty-two".