1163152921 has 8 divisors (see below), whose sum is σ = 1331390144. Its totient is φ = 995433840.

The previous prime is 1163152901. The next prime is 1163152927. The reversal of 1163152921 is 1292513611.

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 1163152921 - 2⁹ = 1163152409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163152927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124710 + ... + 133711.

It is an arithmetic number, because the mean of its divisors is an integer number (166423768).

Almost surely, 2^1163152921 is an apocalyptic number.

It is an amenable number.

1163152921 is a deficient number, since it is larger than the sum of its proper divisors (168237223).

1163152921 is an equidigital number, since it uses as much as digits as its factorization.

1163152921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259071.

The product of its digits is 3240, while the sum is 31.

The square root of 1163152921 is about 34105.0277964994. The cubic root of 1163152921 is about 1051.6686758110.

The spelling of 1163152921 in words is "one billion, one hundred sixty-three million, one hundred fifty-two thousand, nine hundred twenty-one".