1292253216 has 24 divisors (see below), whose sum is σ = 3392164944. Its totient is φ = 430751040.

The previous prime is 1292253199. The next prime is 1292253233. The reversal of 1292253216 is 6123522921.

It is an interprime number because it is at equal distance from previous prime (1292253199) and next prime (1292253233).

It is a tau number, because it is divible by the number of its divisors (24).

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, 6730390 + ... + 6730581.

It is an arithmetic number, because the mean of its divisors is an integer number (141340206).

Almost surely, 2^1292253216 is an apocalyptic number.

1292253216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1292253216 is an abundant number, since it is smaller than the sum of its proper divisors (2099911728).

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

1292253216 is a wasteful number, since it uses less digits than its factorization.

1292253216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13460984 (or 13460976 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 1292253216 is about 35947.9236674387. The cubic root of 1292253216 is about 1089.2206689719.

The spelling of 1292253216 in words is "one billion, two hundred ninety-two million, two hundred fifty-three thousand, two hundred sixteen".