1230057056 has 12 divisors (see below), whose sum is σ = 2421674892. Its totient is φ = 615028512.

The previous prime is 1230057053. The next prime is 1230057079. The reversal of 1230057056 is 6507500321.

It is a super-2 number, since 2×1230057056² = 3026080722030774272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230057053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19219610 + ... + 19219673.

It is an arithmetic number, because the mean of its divisors is an integer number (201806241).

Almost surely, 2^1230057056 is an apocalyptic number.

1230057056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1230057056 is a deficient number, since it is larger than the sum of its proper divisors (1191617836).

1230057056 is an equidigital number, since it uses as much as digits as its factorization.

1230057056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38439293 (or 38439285 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 1230057056 is about 35072.1692514164. The cubic root of 1230057056 is about 1071.4578364138.

Adding to 1230057056 its reverse (6507500321), we get a palindrome (7737557377).

The spelling of 1230057056 in words is "one billion, two hundred thirty million, fifty-seven thousand, fifty-six".