1267946452 has 12 divisors (see below), whose sum is σ = 2219890036. Its totient is φ = 633692160.

The previous prime is 1267946447. The next prime is 1267946453. The reversal of 1267946452 is 2546497621.

It can be written as a sum of positive squares in 2 ways, for example, as 210656196 + 1057290256 = 14514^2 + 32516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267946453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59949 + ... + 78292.

Almost surely, 2^1267946452 is an apocalyptic number.

It is an amenable number.

1267946452 is a deficient number, since it is larger than the sum of its proper divisors (951943584).

1267946452 is a wasteful number, since it uses less digits than its factorization.

1267946452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140538 (or 140536 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 1267946452 is about 35608.2357327627. The cubic root of 1267946452 is about 1082.3481294657.

The spelling of 1267946452 in words is "one billion, two hundred sixty-seven million, nine hundred forty-six thousand, four hundred fifty-two".