1273460145507 has 24 divisors (see below), whose sum is σ = 2006956411200. Its totient is φ = 771681743280.

The previous prime is 1273460145497. The next prime is 1273460145521. The reversal of 1273460145507 is 7055410643721.

1273460145507 is a `hidden beast` number, since 1 + 2 + 7 + 34 + 60 + 1 + 4 + 550 + 7 = 666.

It is not a de Polignac number, because 1273460145507 - 2⁶ = 1273460145443 is a prime.

It is a super-2 number, since 2×1273460145507² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1273460145557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249253 + ... + 1615254.

It is an arithmetic number, because the mean of its divisors is an integer number (83623183800).

Almost surely, 2^{1273460145507} is an apocalyptic number.

1273460145507 is a deficient number, since it is larger than the sum of its proper divisors (733496265693).

1273460145507 is a wasteful number, since it uses less digits than its factorization.

1273460145507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871423 (or 1871420 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 1273460145507 in words is "one trillion, two hundred seventy-three billion, four hundred sixty million, one hundred forty-five thousand, five hundred seven".