1254445312 has 18 divisors (see below), whose sum is σ = 2503990958. Its totient is φ = 627222528.

The previous prime is 1254445301. The next prime is 1254445331. The reversal of 1254445312 is 2135444521.

It can be written as a sum of positive squares in only one way, i.e., 1221083136 + 33362176 = 34944^2 + 5776^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2449833 + ... + 2450344.

Almost surely, 2^1254445312 is an apocalyptic number.

It is an amenable number.

1254445312 is a deficient number, since it is larger than the sum of its proper divisors (1249545646).

1254445312 is an frugal number, since it uses more digits than its factorization.

1254445312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900193 (or 4900179 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 1254445312 is about 35418.1494717045. The cubic root of 1254445312 is about 1078.4927855312.

Adding to 1254445312 its reverse (2135444521), we get a palindrome (3389889833).

The spelling of 1254445312 in words is "one billion, two hundred fifty-four million, four hundred forty-five thousand, three hundred twelve".