1266172 has 12 divisors (see below), whose sum is σ = 2224600. Its totient is φ = 630576.

The previous prime is 1266163. The next prime is 1266191. The reversal of 1266172 is 2716621.

It is a congruent number.

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, 943 + ... + 1849.

2^1266172 is an apocalyptic number.

It is an amenable number.

1266172 is a deficient number, since it is larger than the sum of its proper divisors (958428).

1266172 is a wasteful number, since it uses less digits than its factorization.

1266172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1258 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 1266172 is about 1125.2430848488. The cubic root of 1266172 is about 108.1842989461.

The spelling of 1266172 in words is "one million, two hundred sixty-six thousand, one hundred seventy-two".