1267900479 has 8 divisors (see below), whose sum is σ = 1878371120. Its totient is φ = 845266968.

The previous prime is 1267900453. The next prime is 1267900519. The reversal of 1267900479 is 9740097621.

It is not a de Polignac number, because 1267900479 - 2⁷ = 1267900351 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 (1267900379) 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, 23479612 + ... + 23479665.

It is an arithmetic number, because the mean of its divisors is an integer number (234796390).

Almost surely, 2^1267900479 is an apocalyptic number.

1267900479 is a deficient number, since it is larger than the sum of its proper divisors (610470641).

1267900479 is an equidigital number, since it uses as much as digits as its factorization.

1267900479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46959286 (or 46959280 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 1267900479 is about 35607.5901880484. The cubic root of 1267900479 is about 1082.3350481057.

The spelling of 1267900479 in words is "one billion, two hundred sixty-seven million, nine hundred thousand, four hundred seventy-nine".