1056742230 has 16 divisors (see below), whose sum is σ = 2536181424. Its totient is φ = 281797920.

The previous prime is 1056742187. The next prime is 1056742231. The reversal of 1056742230 is 322476501.

It is a super-2 number, since 2×1056742230² = 2233408281330745800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 35224741 = 1056742230 / (1 + 0 + 5 + 6 + 7 + 4 + 2 + 2 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056742231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17612341 + ... + 17612400.

It is an arithmetic number, because the mean of its divisors is an integer number (158511339).

Almost surely, 2^1056742230 is an apocalyptic number.

1056742230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1056742230 is an abundant number, since it is smaller than the sum of its proper divisors (1479439194).

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

1056742230 is a wasteful number, since it uses less digits than its factorization.

1056742230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35224751.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1056742230 is about 32507.5718871773. The cubic root of 1056742230 is about 1018.5672020495.

The spelling of 1056742230 in words is "one billion, fifty-six million, seven hundred forty-two thousand, two hundred thirty".