1272906 has 12 divisors (see below), whose sum is σ = 2758002. Its totient is φ = 424296.

The previous prime is 1272899. The next prime is 1272913. The reversal of 1272906 is 6092721.

It is an interprime number because it is at equal distance from previous prime (1272899) and next prime (1272913).

It can be written as a sum of positive squares in only one way, i.e., 1083681 + 189225 = 1041^2 + 435^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1272906.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35341 + ... + 35376.

2^1272906 is an apocalyptic number.

1272906 is an abundant number, since it is smaller than the sum of its proper divisors (1485096).

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

1272906 is a wasteful number, since it uses less digits than its factorization.

1272906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70725 (or 70722 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1272906 is about 1128.2313592522. The cubic root of 1272906 is about 108.3757488085.

The spelling of 1272906 in words is "one million, two hundred seventy-two thousand, nine hundred six".