1253667274 has 32 divisors (see below), whose sum is σ = 1977696000. Its totient is φ = 595218624.

The previous prime is 1253667257. The next prime is 1253667287. The reversal of 1253667274 is 4727663521.

It is a self number, because there is not a number n which added to its sum of digits gives 1253667274.

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, 1919532 + ... + 1920184.

It is an arithmetic number, because the mean of its divisors is an integer number (61803000).

Almost surely, 2^1253667274 is an apocalyptic number.

1253667274 is a deficient number, since it is larger than the sum of its proper divisors (724028726).

1253667274 is a wasteful number, since it uses less digits than its factorization.

1253667274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182.

The product of its digits is 423360, while the sum is 43.

The square root of 1253667274 is about 35407.1641620732. The cubic root of 1253667274 is about 1078.2697701208.

The spelling of 1253667274 in words is "one billion, two hundred fifty-three million, six hundred sixty-seven thousand, two hundred seventy-four".