1267632748 has 12 divisors (see below), whose sum is σ = 2229619392. Its totient is φ = 630598640.

The previous prime is 1267632731. The next prime is 1267632781. The reversal of 1267632748 is 8472367621.

It is a junction number, because it is equal to n+sod(n) for n = 1267632698 and 1267632707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803548 + ... + 805123.

It is an arithmetic number, because the mean of its divisors is an integer number (185801616).

Almost surely, 2^1267632748 is an apocalyptic number.

It is an amenable number.

1267632748 is a deficient number, since it is larger than the sum of its proper divisors (961986644).

1267632748 is a wasteful number, since it uses less digits than its factorization.

1267632748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608872 (or 1608870 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 1267632748 is about 35603.8305242568. The cubic root of 1267632748 is about 1082.2588604636.

The spelling of 1267632748 in words is "one billion, two hundred sixty-seven million, six hundred thirty-two thousand, seven hundred forty-eight".