1267485628 has 6 divisors (see below), whose sum is σ = 2218099856. Its totient is φ = 633742812.

The previous prime is 1267485601. The next prime is 1267485647. The reversal of 1267485628 is 8265847621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158435700 + ... + 158435707.

Almost surely, 2^1267485628 is an apocalyptic number.

It is an amenable number.

1267485628 is a deficient number, since it is larger than the sum of its proper divisors (950614228).

1267485628 is a wasteful number, since it uses less digits than its factorization.

1267485628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316871411 (or 316871409 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 1267485628 is about 35601.7643944791. The cubic root of 1267485628 is about 1082.2169902706.

The spelling of 1267485628 in words is "one billion, two hundred sixty-seven million, four hundred eighty-five thousand, six hundred twenty-eight".