1051249572 has 36 divisors (see below), whose sum is σ = 2694758976. Its totient is φ = 345480240.

The previous prime is 1051249561. The next prime is 1051249601. The reversal of 1051249572 is 2759421501.

1051249572 is a `hidden beast` number, since 10 + 51 + 24 + 9 + 572 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1051249572² = 2210251325260366368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203088 + ... + 208199.

It is an arithmetic number, because the mean of its divisors is an integer number (74854416).

Almost surely, 2^1051249572 is an apocalyptic number.

1051249572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1051249572 is an abundant number, since it is smaller than the sum of its proper divisors (1643509404).

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

1051249572 is a wasteful number, since it uses less digits than its factorization.

1051249572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411368 (or 411363 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1051249572 is about 32422.9790734905. The cubic root of 1051249572 is about 1016.7993907646.

The spelling of 1051249572 in words is "one billion, fifty-one million, two hundred forty-nine thousand, five hundred seventy-two".