1233152720 has 40 divisors (see below), whose sum is σ = 2959572480. Its totient is φ = 477348480.

The previous prime is 1233152717. The next prime is 1233152729. The reversal of 1233152720 is 272513321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-4 number, since 4×1233152720⁴ (a number of 37 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1233152720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233152729) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 246140 + ... + 251099.

It is an arithmetic number, because the mean of its divisors is an integer number (73989312).

Almost surely, 2^1233152720 is an apocalyptic number.

1233152720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233152720 is an abundant number, since it is smaller than the sum of its proper divisors (1726419760).

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

1233152720 is a wasteful number, since it uses less digits than its factorization.

1233152720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497283 (or 497277 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1233152720 is about 35116.2742898503. The cubic root of 1233152720 is about 1072.3559234341.

The spelling of 1233152720 in words is "one billion, two hundred thirty-three million, one hundred fifty-two thousand, seven hundred twenty".