1292628057 has 16 divisors (see below), whose sum is σ = 1987793280. Its totient is φ = 731866752.

The previous prime is 1292628023. The next prime is 1292628067. The reversal of 1292628057 is 7508262921.

It is not a de Polignac number, because 1292628057 - 2⁶ = 1292627993 is a prime.

It is a super-3 number, since 3×1292628057³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1292628067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280068 + ... + 284645.

It is an arithmetic number, because the mean of its divisors is an integer number (124237080).

Almost surely, 2^1292628057 is an apocalyptic number.

It is an amenable number.

1292628057 is a deficient number, since it is larger than the sum of its proper divisors (695165223).

1292628057 is a wasteful number, since it uses less digits than its factorization.

1292628057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564832.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1292628057 is about 35953.1369563213. The cubic root of 1292628057 is about 1089.3259747250.

The spelling of 1292628057 in words is "one billion, two hundred ninety-two million, six hundred twenty-eight thousand, fifty-seven".