1267902492 has 24 divisors (see below), whose sum is σ = 2986091136. Its totient is φ = 418683888.

The previous prime is 1267902481. The next prime is 1267902529. The reversal of 1267902492 is 2942097621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492448 + ... + 495015.

It is an arithmetic number, because the mean of its divisors is an integer number (124420464).

Almost surely, 2^1267902492 is an apocalyptic number.

1267902492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1267902492 is an abundant number, since it is smaller than the sum of its proper divisors (1718188644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1267902492 is a wasteful number, since it uses less digits than its factorization.

1267902492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987577 (or 987575 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1267902492 is about 35607.6184544825. The cubic root of 1267902492 is about 1082.3356209002.

The spelling of 1267902492 in words is "one billion, two hundred sixty-seven million, nine hundred two thousand, four hundred ninety-two".