1267485604 has 24 divisors (see below), whose sum is σ = 2765423808. Its totient is φ = 493825440.

The previous prime is 1267485601. The next prime is 1267485647. The reversal of 1267485604 is 4065847621.

It is not an unprimeable number, because it can be changed into a prime (1267485601) 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, 2057299 + ... + 2057914.

It is an arithmetic number, because the mean of its divisors is an integer number (115225992).

Almost surely, 2^1267485604 is an apocalyptic number.

1267485604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1267485604 is an abundant number, since it is smaller than the sum of its proper divisors (1497938204).

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

1267485604 is a wasteful number, since it uses less digits than its factorization.

1267485604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115235 (or 4115233 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 1267485604 is about 35601.7640574172. The cubic root of 1267485604 is about 1082.2169834399.

The spelling of 1267485604 in words is "one billion, two hundred sixty-seven million, four hundred eighty-five thousand, six hundred four".