1229236152 has 32 divisors (see below), whose sum is σ = 3074058000. Its totient is φ = 409616384.

The previous prime is 1229236147. The next prime is 1229236159. The reversal of 1229236152 is 2516329221.

It is a super-2 number, since 2×1229236152² = 3022043034767534208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229236159) 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, 98488 + ... + 110264.

Almost surely, 2^1229236152 is an apocalyptic number.

1229236152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1229236152 is an abundant number, since it is smaller than the sum of its proper divisors (1844821848).

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

1229236152 is a wasteful number, since it uses less digits than its factorization.

1229236152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16135 (or 16131 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 1229236152 is about 35060.4642296704. The cubic root of 1229236152 is about 1071.2194301932.

The spelling of 1229236152 in words is "one billion, two hundred twenty-nine million, two hundred thirty-six thousand, one hundred fifty-two".