1267278796 has 24 divisors (see below), whose sum is σ = 2667956480. Its totient is φ = 514534032.

The previous prime is 1267278781. The next prime is 1267278827. The reversal of 1267278796 is 6978727621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190520 + ... + 1191583.

Almost surely, 2^1267278796 is an apocalyptic number.

It is an amenable number.

1267278796 is an abundant number, since it is smaller than the sum of its proper divisors (1400677684).

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

1267278796 is a wasteful number, since it uses less digits than its factorization.

1267278796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382133 (or 2382131 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 55.

The square root of 1267278796 is about 35598.8594761124. The cubic root of 1267278796 is about 1082.1581206271.

The spelling of 1267278796 in words is "one billion, two hundred sixty-seven million, two hundred seventy-eight thousand, seven hundred ninety-six".