1152721404724 has 24 divisors (see below), whose sum is σ = 2102055548040. Its totient is φ = 552424244736.

The previous prime is 1152721404719. The next prime is 1152721404767. The reversal of 1152721404724 is 4274041272511.

It can be written as a sum of positive squares in 4 ways, for example, as 165047187600 + 987674217124 = 406260^2 + 993818^2 .

It is a congruent number.

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, 36251457 + ... + 36283240.

It is an arithmetic number, because the mean of its divisors is an integer number (87585647835).

Almost surely, 2^{1152721404724} is an apocalyptic number.

It is an amenable number.

1152721404724 is a deficient number, since it is larger than the sum of its proper divisors (949334143316).

1152721404724 is a wasteful number, since it uses less digits than its factorization.

1152721404724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72534867 (or 72534865 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 40.

The spelling of 1152721404724 in words is "one trillion, one hundred fifty-two billion, seven hundred twenty-one million, four hundred four thousand, seven hundred twenty-four".