1216452952 has 64 divisors (see below), whose sum is σ = 2837268000. Its totient is φ = 480368640.

The previous prime is 1216452943. The next prime is 1216452961. The reversal of 1216452952 is 2592546121.

It is an interprime number because it is at equal distance from previous prime (1216452943) and next prime (1216452961).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11827 + ... + 50722.

Almost surely, 2^1216452952 is an apocalyptic number.

It is an amenable number.

1216452952 is an abundant number, since it is smaller than the sum of its proper divisors (1620815048).

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

1216452952 is a wasteful number, since it uses less digits than its factorization.

1216452952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62596 (or 62592 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 1216452952 is about 34877.6855883529. The cubic root of 1216452952 is about 1067.4931713114.

The spelling of 1216452952 in words is "one billion, two hundred sixteen million, four hundred fifty-two thousand, nine hundred fifty-two".