1306131 has 8 divisors (see below), whose sum is σ = 1801680. Its totient is φ = 840672.

The previous prime is 1306121. The next prime is 1306133. The reversal of 1306131 is 1316031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1306131 - 2⁵ = 1306099 is a prime.

It is a super-2 number, since 2×1306131² = 3411956378322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1306131.

It is not an unprimeable number, because it can be changed into a prime (1306133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7420 + ... + 7593.

It is an arithmetic number, because the mean of its divisors is an integer number (225210).

2^1306131 is an apocalyptic number.

1306131 is a deficient number, since it is larger than the sum of its proper divisors (495549).

1306131 is a wasteful number, since it uses less digits than its factorization.

1306131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15045.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1306131 is about 1142.8608839224. The cubic root of 1306131 is about 109.3105918478.

The spelling of 1306131 in words is "one million, three hundred six thousand, one hundred thirty-one".