1254679975 has 24 divisors (see below), whose sum is σ = 1582398720. Its totient is φ = 986700000.

The previous prime is 1254679963. The next prime is 1254680003. The reversal of 1254679975 is 5799764521.

It is a happy number.

It is not a de Polignac number, because 1254679975 - 2⁷ = 1254679847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 494460 + ... + 496990.

It is an arithmetic number, because the mean of its divisors is an integer number (65933280).

Almost surely, 2^1254679975 is an apocalyptic number.

1254679975 is a deficient number, since it is larger than the sum of its proper divisors (327718745).

1254679975 is a wasteful number, since it uses less digits than its factorization.

1254679975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871 (or 2866 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 55.

The square root of 1254679975 is about 35421.4620675093. The cubic root of 1254679975 is about 1078.5600308097.

The spelling of 1254679975 in words is "one billion, two hundred fifty-four million, six hundred seventy-nine thousand, nine hundred seventy-five".