1254231312 has 20 divisors (see below), whose sum is σ = 3240097680. Its totient is φ = 418077088.

The previous prime is 1254231283. The next prime is 1254231371. The reversal of 1254231312 is 2131324521.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13064862 + ... + 13064957.

It is an arithmetic number, because the mean of its divisors is an integer number (162004884).

Almost surely, 2^1254231312 is an apocalyptic number.

1254231312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1254231312 is an abundant number, since it is smaller than the sum of its proper divisors (1985866368).

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

1254231312 is a wasteful number, since it uses less digits than its factorization.

1254231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26129830 (or 26129824 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 1254231312 is about 35415.1282928638. The cubic root of 1254231312 is about 1078.4314541525.

Adding to 1254231312 its reverse (2131324521), we get a palindrome (3385555833).

The spelling of 1254231312 in words is "one billion, two hundred fifty-four million, two hundred thirty-one thousand, three hundred twelve".