1262879031479 has 12 divisors (see below), whose sum is σ = 1367800068096. Its totient is φ = 1165475480832.

The previous prime is 1262879031439. The next prime is 1262879031521. The reversal of 1262879031479 is 9741309782621.

It is not a de Polignac number, because 1262879031479 - 2⁸ = 1262879031223 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 (1262879031419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65207 + ... + 1590600.

It is an arithmetic number, because the mean of its divisors is an integer number (113983339008).

Almost surely, 2^{1262879031479} is an apocalyptic number.

1262879031479 is a deficient number, since it is larger than the sum of its proper divisors (104921036617).

1262879031479 is a wasteful number, since it uses less digits than its factorization.

1262879031479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660346 (or 1660333 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 1262879031479 in words is "one trillion, two hundred sixty-two billion, eight hundred seventy-nine million, thirty-one thousand, four hundred seventy-nine".