1254713642 has 32 divisors (see below), whose sum is σ = 2318195712. Its totient is φ = 495984384.

The previous prime is 1254713617. The next prime is 1254713689. The reversal of 1254713642 is 2463174521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388418 + ... + 391634.

It is an arithmetic number, because the mean of its divisors is an integer number (72443616).

Almost surely, 2^1254713642 is an apocalyptic number.

1254713642 is a deficient number, since it is larger than the sum of its proper divisors (1063482070).

1254713642 is a wasteful number, since it uses less digits than its factorization.

1254713642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5382.

The product of its digits is 40320, while the sum is 35.

The square root of 1254713642 is about 35421.9372987983. The cubic root of 1254713642 is about 1078.5696777732.

The spelling of 1254713642 in words is "one billion, two hundred fifty-four million, seven hundred thirteen thousand, six hundred forty-two".