1271572 has 12 divisors (see below), whose sum is σ = 2242240. Its totient is φ = 630936.

The previous prime is 1271561. The next prime is 1271597. The reversal of 1271572 is 2751721.

It is a happy number.

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, 588 + ... + 1699.

2^1271572 is an apocalyptic number.

It is an amenable number.

1271572 is a deficient number, since it is larger than the sum of its proper divisors (970668).

1271572 is a wasteful number, since it uses less digits than its factorization.

1271572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430 (or 2428 counting only the distinct ones).

The product of its digits is 980, while the sum is 25.

The square root of 1271572 is about 1127.6400134795. The cubic root of 1271572 is about 108.3378764696.

The spelling of 1271572 in words is "one million, two hundred seventy-one thousand, five hundred seventy-two".