1152151621 has 8 divisors (see below), whose sum is σ = 1245570080. Its totient is φ = 1062011088.

The previous prime is 1152151613. The next prime is 1152151667. The reversal of 1152151621 is 1261512511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1152151621 - 2³ = 1152151613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152151321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818751 + ... + 820156.

It is an arithmetic number, because the mean of its divisors is an integer number (155696260).

Almost surely, 2^1152151621 is an apocalyptic number.

It is an amenable number.

1152151621 is a deficient number, since it is larger than the sum of its proper divisors (93418459).

1152151621 is a wasteful number, since it uses less digits than its factorization.

1152151621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638963.

The product of its digits is 600, while the sum is 25.

The square root of 1152151621 is about 33943.3590117419. The cubic root of 1152151621 is about 1048.3425463409.

The spelling of 1152151621 in words is "one billion, one hundred fifty-two million, one hundred fifty-one thousand, six hundred twenty-one".