1254261312 has 42 divisors (see below), whose sum is σ = 3595115238. Its totient is φ = 418086912.

The previous prime is 1254261311. The next prime is 1254261331. The reversal of 1254261312 is 2131624521.

1254261312 is a `hidden beast` number, since 1 + 2 + 5 + 42 + 613 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 942244416 + 312016896 = 30696^2 + 17664^2 .

It is a super-2 number, since 2×1254261312² = 3146342877559922688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1254261311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1088193 + ... + 1089344.

Almost surely, 2^1254261312 is an apocalyptic number.

1254261312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1254261312 is an abundant number, since it is smaller than the sum of its proper divisors (2340853926).

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

1254261312 is a wasteful number, since it uses less digits than its factorization.

1254261312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177555 (or 2177542 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1254261312 is about 35415.5518381403. The cubic root of 1254261312 is about 1078.4400524297.

Adding to 1254261312 its reverse (2131624521), we get a palindrome (3385885833).

The spelling of 1254261312 in words is "one billion, two hundred fifty-four million, two hundred sixty-one thousand, three hundred twelve".