1056253260 has 48 divisors (see below), whose sum is σ = 2963520000. Its totient is φ = 281095104.

The previous prime is 1056253259. The next prime is 1056253267. The reversal of 1056253260 is 623526501.

It is a super-2 number, since 2×1056253260² = 2231341898521255200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1056253267) 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 15 ways as a sum of consecutive naturals, for example, 12301 + ... + 47579.

It is an arithmetic number, because the mean of its divisors is an integer number (61740000).

Almost surely, 2^1056253260 is an apocalyptic number.

1056253260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056253260 is an abundant number, since it is smaller than the sum of its proper divisors (1907266740).

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

1056253260 is a wasteful number, since it uses less digits than its factorization.

1056253260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35790 (or 35788 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1056253260 is about 32500.0501538075. The cubic root of 1056253260 is about 1018.4100758590.

Adding to 1056253260 its reverse (623526501), we get a palindrome (1679779761).

The spelling of 1056253260 in words is "one billion, fifty-six million, two hundred fifty-three thousand, two hundred sixty".