1274144255999 has 8 divisors (see below), whose sum is σ = 1284627683328. Its totient is φ = 1263667872600.

The previous prime is 1274144255977. The next prime is 1274144256013. The reversal of 1274144255999 is 9995524414721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1274144255999 - 2²⁴ = 1274127478783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274144255299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1397417 + ... + 2121570.

It is an arithmetic number, because the mean of its divisors is an integer number (160578460416).

Almost surely, 2^{1274144255999} is an apocalyptic number.

1274144255999 is a deficient number, since it is larger than the sum of its proper divisors (10483427329).

1274144255999 is a wasteful number, since it uses less digits than its factorization.

1274144255999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521965.

The product of its digits is 32659200, while the sum is 62.

The spelling of 1274144255999 in words is "one trillion, two hundred seventy-four billion, one hundred forty-four million, two hundred fifty-five thousand, nine hundred ninety-nine".