1267426252 has 24 divisors (see below), whose sum is σ = 2266951680. Its totient is φ = 619746960.

The previous prime is 1267426243. The next prime is 1267426253. The reversal of 1267426252 is 2526247621.

It is not an unprimeable number, because it can be changed into a prime (1267426253) 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, 419427 + ... + 422437.

It is an arithmetic number, because the mean of its divisors is an integer number (94456320).

Almost surely, 2^1267426252 is an apocalyptic number.

It is an amenable number.

1267426252 is a deficient number, since it is larger than the sum of its proper divisors (999525428).

1267426252 is a wasteful number, since it uses less digits than its factorization.

1267426252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5301 (or 5299 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 1267426252 is about 35600.9304934576. The cubic root of 1267426252 is about 1082.2000910074.

The spelling of 1267426252 in words is "one billion, two hundred sixty-seven million, four hundred twenty-six thousand, two hundred fifty-two".