1164247152 has 120 divisors (see below), whose sum is σ = 3158631168. Its totient is φ = 369354240.

The previous prime is 1164247151. The next prime is 1164247157. The reversal of 1164247152 is 2517424611.

It is a super-2 number, since 2×1164247152² = 2710942861880222208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164247151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3792183 + ... + 3792489.

Almost surely, 2^1164247152 is an apocalyptic number.

1164247152 is a gapful number since it is divisible by the number (12) 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 1164247152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579315584).

1164247152 is an abundant number, since it is smaller than the sum of its proper divisors (1994384016).

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

1164247152 is a wasteful number, since it uses less digits than its factorization.

1164247152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 400 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 1164247152 is about 34121.0661029224. The cubic root of 1164247152 is about 1051.9983566794.

The spelling of 1164247152 in words is "one billion, one hundred sixty-four million, two hundred forty-seven thousand, one hundred fifty-two".