1557060412 has 24 divisors (see below), whose sum is σ = 2902838400. Its totient is φ = 728665776.

The previous prime is 1557060397. The next prime is 1557060451. The reversal of 1557060412 is 2140607551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117112 + ... + 129727.

It is an arithmetic number, because the mean of its divisors is an integer number (120951600).

Almost surely, 2^1557060412 is an apocalyptic number.

It is an amenable number.

1557060412 is a deficient number, since it is larger than the sum of its proper divisors (1345777988).

1557060412 is a wasteful number, since it uses less digits than its factorization.

1557060412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246945 (or 246943 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1557060412 is about 39459.6048130237. The cubic root of 1557060412 is about 1159.0490650949.

Adding to 1557060412 its reverse (2140607551), we get a palindrome (3697667963).

The spelling of 1557060412 in words is "one billion, five hundred fifty-seven million, sixty thousand, four hundred twelve".