1151326572 has 24 divisors (see below), whose sum is σ = 2930649792. Its totient is φ = 348886800.

The previous prime is 1151326567. The next prime is 1151326601. The reversal of 1151326572 is 2756231511.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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, 4360954 + ... + 4361217.

It is an arithmetic number, because the mean of its divisors is an integer number (122110408).

Almost surely, 2^1151326572 is an apocalyptic number.

1151326572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1151326572 is an abundant number, since it is smaller than the sum of its proper divisors (1779323220).

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

1151326572 is a wasteful number, since it uses less digits than its factorization.

1151326572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8722189 (or 8722187 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 1151326572 is about 33931.2035153485. The cubic root of 1151326572 is about 1048.0922492752.

It can be divided in two parts, 1151 and 326572, that added together give a palindrome (327723).

The spelling of 1151326572 in words is "one billion, one hundred fifty-one million, three hundred twenty-six thousand, five hundred seventy-two".