1056243140 has 24 divisors (see below), whose sum is σ = 2226958272. Its totient is φ = 420812000.

The previous prime is 1056243131. The next prime is 1056243169. The reversal of 1056243140 is 413426501.

It is a super-2 number, since 2×1056243140² = 2231299141594119200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100184 + ... + 110223.

It is an arithmetic number, because the mean of its divisors is an integer number (92789928).

Almost surely, 2^1056243140 is an apocalyptic number.

1056243140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056243140 is an abundant number, since it is smaller than the sum of its proper divisors (1170715132).

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

1056243140 is a wasteful number, since it uses less digits than its factorization.

1056243140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210667 (or 210665 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1056243140 is about 32499.8944613671. The cubic root of 1056243140 is about 1018.4068233743.

Adding to 1056243140 its reverse (413426501), we get a palindrome (1469669641).

The spelling of 1056243140 in words is "one billion, fifty-six million, two hundred forty-three thousand, one hundred forty".