1056451188 has 24 divisors (see below), whose sum is σ = 2654672608. Its totient is φ = 325061856.

The previous prime is 1056451183. The next prime is 1056451229. The reversal of 1056451188 is 8811546501.

It is a super-2 number, since 2×1056451188² = 2232178225253222688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056451183) by changing a digit.

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, 3385906 + ... + 3386217.

Almost surely, 2^1056451188 is an apocalyptic number.

It is an amenable number.

1056451188 is an abundant number, since it is smaller than the sum of its proper divisors (1598221420).

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

1056451188 is a wasteful number, since it uses less digits than its factorization.

1056451188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772143 (or 6772141 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 39.

The square root of 1056451188 is about 32503.0950526254. The cubic root of 1056451188 is about 1018.4736841141.

Adding to 1056451188 its reverse (8811546501), we get a palindrome (9867997689).

The spelling of 1056451188 in words is "one billion, fifty-six million, four hundred fifty-one thousand, one hundred eighty-eight".