1131907 has 8 divisors (see below), whose sum is σ = 1307232. Its totient is φ = 960000.

The previous prime is 1131883. The next prime is 1131913. The reversal of 1131907 is 7091311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131907 - 2¹¹ = 1129859 is a prime.

It is a Duffinian number.

1131907 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1131917) 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, 94 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (163404).

2^1131907 is an apocalyptic number.

1131907 is a deficient number, since it is larger than the sum of its proper divisors (175325).

1131907 is a wasteful number, since it uses less digits than its factorization.

1131907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 1131907 is about 1063.9111805033. The cubic root of 1131907 is about 104.2166035412.

Adding to 1131907 its product of nonzero digits (189), we get a square (1132096 = 1064²).

The spelling of 1131907 in words is "one million, one hundred thirty-one thousand, nine hundred seven".