1270001260879 has 8 divisors (see below), whose sum is σ = 1411812816512. Its totient is φ = 1134492441120.

The previous prime is 1270001260877. The next prime is 1270001260907. The reversal of 1270001260879 is 9780621000721.

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 1270001260879 - 2¹ = 1270001260877 is a prime.

It is a super-2 number, since 2×1270001260879² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270001260877) 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, 1575683544 + ... + 1575684349.

It is an arithmetic number, because the mean of its divisors is an integer number (176476602064).

Almost surely, 2^{1270001260879} is an apocalyptic number.

1270001260879 is a deficient number, since it is larger than the sum of its proper divisors (141811555633).

1270001260879 is a wasteful number, since it uses less digits than its factorization.

1270001260879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151367937.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 1270001260879 in words is "one trillion, two hundred seventy billion, one million, two hundred sixty thousand, eight hundred seventy-nine".