1254615056 has 10 divisors (see below), whose sum is σ = 2430816702. Its totient is φ = 627307520.

The previous prime is 1254615007. The next prime is 1254615067. The reversal of 1254615056 is 6505164521.

It can be written as a sum of positive squares in only one way, i.e., 787363600 + 467251456 = 28060^2 + 21616^2 .

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 as a sum of consecutive naturals, namely, 39206705 + ... + 39206736.

Almost surely, 2^1254615056 is an apocalyptic number.

1254615056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1254615056 is a deficient number, since it is larger than the sum of its proper divisors (1176201646).

1254615056 is an equidigital number, since it uses as much as digits as its factorization.

1254615056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78413449 (or 78413443 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 1254615056 is about 35420.5456762032. The cubic root of 1254615056 is about 1078.5414283911.

Adding to 1254615056 its reverse (6505164521), we get a palindrome (7759779577).

The spelling of 1254615056 in words is "one billion, two hundred fifty-four million, six hundred fifteen thousand, fifty-six".