1275131 has 16 divisors (see below), whose sum is σ = 1544928. Its totient is φ = 1036800.

The previous prime is 1275121. The next prime is 1275133. The reversal of 1275131 is 1315721.

It is a cyclic number.

It is not a de Polignac number, because 1275131 - 2⁶ = 1275067 is a prime.

It is a super-2 number, since 2×1275131² = 3251918134322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5171 + ... + 5411.

It is an arithmetic number, because the mean of its divisors is an integer number (96558).

2^1275131 is an apocalyptic number.

1275131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1275131 is a deficient number, since it is larger than the sum of its proper divisors (269797).

1275131 is a wasteful number, since it uses less digits than its factorization.

1275131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302.

The product of its digits is 210, while the sum is 20.

The square root of 1275131 is about 1129.2169853487. The cubic root of 1275131 is about 108.4388578618.

The spelling of 1275131 in words is "one million, two hundred seventy-five thousand, one hundred thirty-one".