1056251000 has 64 divisors (see below), whose sum is σ = 2824735680. Its totient is φ = 362140800.

The previous prime is 1056250973. The next prime is 1056251023. The reversal of 1056251000 is 1526501.

It is a super-2 number, since 2×1056251000² = 2231332350002000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68447 + ... + 82446.

It is an arithmetic number, because the mean of its divisors is an integer number (44136495).

Almost surely, 2^1056251000 is an apocalyptic number.

1056251000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056251000 is an abundant number, since it is smaller than the sum of its proper divisors (1768484680).

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

1056251000 is a wasteful number, since it uses less digits than its factorization.

1056251000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150921 (or 150907 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1056251000 is about 32500.0153846117. The cubic root of 1056251000 is about 1018.4093495154.

Adding to 1056251000 its reverse (1526501), we get a palindrome (1057777501).

The spelling of 1056251000 in words is "one billion, fifty-six million, two hundred fifty-one thousand".