1274260991104 has 128 divisors (see below), whose sum is σ = 2642782464000. Its totient is φ = 611264532480.

The previous prime is 1274260991053. The next prime is 1274260991123. The reversal of 1274260991104 is 4011990624721.

It is a tau number, because it is divible by the number of its divisors (128).

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, 595169874 + ... + 595172014.

It is an arithmetic number, because the mean of its divisors is an integer number (20646738000).

Almost surely, 2^{1274260991104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1274260991104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321391232000).

1274260991104 is an abundant number, since it is smaller than the sum of its proper divisors (1368521472896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1274260991104 is a wasteful number, since it uses less digits than its factorization.

1274260991104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126 (or 3114 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 1274260991104 in words is "one trillion, two hundred seventy-four billion, two hundred sixty million, nine hundred ninety-one thousand, one hundred four".