1274001399 has 32 divisors (see below), whose sum is σ = 2061388800. Its totient is φ = 771223680.

The previous prime is 1274001371. The next prime is 1274001431. The reversal of 1274001399 is 9931004721.

It is not a de Polignac number, because 1274001399 - 2⁵ = 1274001367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274001359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325647 + ... + 329535.

It is an arithmetic number, because the mean of its divisors is an integer number (64418400).

Almost surely, 2^1274001399 is an apocalyptic number.

1274001399 is a deficient number, since it is larger than the sum of its proper divisors (787387401).

1274001399 is a wasteful number, since it uses less digits than its factorization.

1274001399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012 (or 5006 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1274001399 is about 35693.1561927493. The cubic root of 1274001399 is about 1084.0682747150.

The spelling of 1274001399 in words is "one billion, two hundred seventy-four million, one thousand, three hundred ninety-nine".