1254512320 has 56 divisors (see below), whose sum is σ = 2990325744. Its totient is φ = 501298176.

The previous prime is 1254512291. The next prime is 1254512377. The reversal of 1254512320 is 232154521.

It is a super-2 number, since 2×1254512320² = 3147602322063564800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 630367 + ... + 632353.

It is an arithmetic number, because the mean of its divisors is an integer number (53398674).

Almost surely, 2^1254512320 is an apocalyptic number.

1254512320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254512320 is an abundant number, since it is smaller than the sum of its proper divisors (1735813424).

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

1254512320 is a wasteful number, since it uses less digits than its factorization.

1254512320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977 (or 3967 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1254512320 is about 35419.0954147618. The cubic root of 1254512320 is about 1078.5119882702.

Adding to 1254512320 its reverse (232154521), we get a palindrome (1486666841).

The spelling of 1254512320 in words is "one billion, two hundred fifty-four million, five hundred twelve thousand, three hundred twenty".