1151874720 has 144 divisors (see below), whose sum is σ = 3989774880. Its totient is φ = 302556672.

The previous prime is 1151874697. The next prime is 1151874727. The reversal of 1151874720 is 274781511.

1151874720 is a `hidden beast` number, since 1 + 1 + 5 + 187 + 472 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is not an unprimeable number, because it can be changed into a prime (1151874727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90511 + ... + 102449.

It is an arithmetic number, because the mean of its divisors is an integer number (27706770).

Almost surely, 2^1151874720 is an apocalyptic number.

1151874720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151874720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1994887440).

1151874720 is an abundant number, since it is smaller than the sum of its proper divisors (2837900160).

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

1151874720 is a wasteful number, since it uses less digits than its factorization.

1151874720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12027 (or 12016 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 1151874720 is about 33939.2798980768. The cubic root of 1151874720 is about 1048.2585555557.

The spelling of 1151874720 in words is "one billion, one hundred fifty-one million, eight hundred seventy-four thousand, seven hundred twenty".