1292772852 has 48 divisors (see below), whose sum is σ = 3830440320. Its totient is φ = 369363456.

The previous prime is 1292772847. The next prime is 1292772883. The reversal of 1292772852 is 2582772921.

It is a junction number, because it is equal to n+sod(n) for n = 1292772798 and 1292772807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854253 + ... + 855764.

It is an arithmetic number, because the mean of its divisors is an integer number (79800840).

Almost surely, 2^1292772852 is an apocalyptic number.

1292772852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1292772852 is an abundant number, since it is smaller than the sum of its proper divisors (2537667468).

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

1292772852 is a wasteful number, since it uses less digits than its factorization.

1292772852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710037 (or 1710029 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 1292772852 is about 35955.1505628888. The cubic root of 1292772852 is about 1089.3666471790.

The spelling of 1292772852 in words is "one billion, two hundred ninety-two million, seven hundred seventy-two thousand, eight hundred fifty-two".