1274249491023 has 16 divisors (see below), whose sum is σ = 1705744284416. Its totient is φ = 846133853760.

The previous prime is 1274249491003. The next prime is 1274249491051. The reversal of 1274249491023 is 3201949424721.

It is not a de Polignac number, because 1274249491023 - 2³⁰ = 1273175749199 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 (1274249491003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69718 + ... + 1597923.

It is an arithmetic number, because the mean of its divisors is an integer number (106609017776).

Almost surely, 2^{1274249491023} is an apocalyptic number.

1274249491023 is a deficient number, since it is larger than the sum of its proper divisors (431494793393).

1274249491023 is a wasteful number, since it uses less digits than its factorization.

1274249491023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668654.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 1274249491023 in words is "one trillion, two hundred seventy-four billion, two hundred forty-nine million, four hundred ninety-one thousand, twenty-three".