1307131 has 4 divisors (see below), whose sum is σ = 1493872. Its totient is φ = 1120392.

The previous prime is 1307123. The next prime is 1307153. The reversal of 1307131 is 1317031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1307131 - 2³ = 1307123 is a prime.

It is a super-2 number, since 2×1307131² = 3417182902322, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1307101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93360 + ... + 93373.

It is an arithmetic number, because the mean of its divisors is an integer number (373468).

2^1307131 is an apocalyptic number.

1307131 is a deficient number, since it is larger than the sum of its proper divisors (186741).

1307131 is an equidigital number, since it uses as much as digits as its factorization.

1307131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186740.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 1307131 is about 1143.2982987830. The cubic root of 1307131 is about 109.3384815227.

The spelling of 1307131 in words is "one million, three hundred seven thousand, one hundred thirty-one".