1275172 has 6 divisors (see below), whose sum is σ = 2231558. Its totient is φ = 637584.

The previous prime is 1275133. The next prime is 1275173. The reversal of 1275172 is 2715721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 968256 + 306916 = 984^2 + 554^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159393 + ... + 159400.

2^1275172 is an apocalyptic number.

It is an amenable number.

1275172 is a deficient number, since it is larger than the sum of its proper divisors (956386).

1275172 is a wasteful number, since it uses less digits than its factorization.

1275172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318797 (or 318795 counting only the distinct ones).

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

The square root of 1275172 is about 1129.2351393753. The cubic root of 1275172 is about 108.4400200811.

The spelling of 1275172 in words is "one million, two hundred seventy-five thousand, one hundred seventy-two".