1152297280 has 56 divisors (see below), whose sum is σ = 2832445440. Its totient is φ = 446046720.

The previous prime is 1152297229. The next prime is 1152297283. The reversal of 1152297280 is 827922511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152297283) 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, 48160 + ... + 67999.

Almost surely, 2^1152297280 is an apocalyptic number.

1152297280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152297280 is an abundant number, since it is smaller than the sum of its proper divisors (1680148160).

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

1152297280 is a wasteful number, since it uses less digits than its factorization.

1152297280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116207 (or 116197 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1152297280 is about 33945.5045624601. The cubic root of 1152297280 is about 1048.3867228450.

The spelling of 1152297280 in words is "one billion, one hundred fifty-two million, two hundred ninety-seven thousand, two hundred eighty".