1257073012 has 24 divisors (see below), whose sum is σ = 2380347872. Its totient is φ = 577432800.

The previous prime is 1257073001. The next prime is 1257073021. The reversal of 1257073012 is 2103707521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46314 + ... + 68257.

Almost surely, 2^1257073012 is an apocalyptic number.

It is an amenable number.

1257073012 is a deficient number, since it is larger than the sum of its proper divisors (1123274860).

1257073012 is a wasteful number, since it uses less digits than its factorization.

1257073012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114799 (or 114797 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 1257073012 is about 35455.2254540850. The cubic root of 1257073012 is about 1079.2453037937.

The spelling of 1257073012 in words is "one billion, two hundred fifty-seven million, seventy-three thousand, twelve".