1152431456 has 48 divisors (see below), whose sum is σ = 2479731408. Its totient is φ = 522854400.

The previous prime is 1152431437. The next prime is 1152431503. The reversal of 1152431456 is 6541342511.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205976 + ... + 211496.

It is an arithmetic number, because the mean of its divisors is an integer number (51661071).

Almost surely, 2^1152431456 is an apocalyptic number.

1152431456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152431456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239865704).

1152431456 is an abundant number, since it is smaller than the sum of its proper divisors (1327299952).

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

1152431456 is a wasteful number, since it uses less digits than its factorization.

1152431456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135 (or 6127 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 1152431456 is about 33947.4808490998. The cubic root of 1152431456 is about 1048.4274134086.

Adding to 1152431456 its reverse (6541342511), we get a palindrome (7693773967).

The spelling of 1152431456 in words is "one billion, one hundred fifty-two million, four hundred thirty-one thousand, four hundred fifty-six".