1152250400 has 72 divisors (see below), whose sum is σ = 3214794240. Its totient is φ = 395055360.

The previous prime is 1152250367. The next prime is 1152250427. The reversal of 1152250400 is 40522511.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97280 + ... + 108479.

It is an arithmetic number, because the mean of its divisors is an integer number (44649920).

Almost surely, 2^1152250400 is an apocalyptic number.

1152250400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152250400 is an abundant number, since it is smaller than the sum of its proper divisors (2062543840).

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

1152250400 is a wasteful number, since it uses less digits than its factorization.

1152250400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205786 (or 205773 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1152250400 is about 33944.8140369041. The cubic root of 1152250400 is about 1048.3725051493.

Adding to 1152250400 its reverse (40522511), we get a palindrome (1192772911).

The spelling of 1152250400 in words is "one billion, one hundred fifty-two million, two hundred fifty thousand, four hundred".