1190690131 has 4 divisors (see below), whose sum is σ = 1190964600. Its totient is φ = 1190415664.

The previous prime is 1190690117. The next prime is 1190690159. The reversal of 1190690131 is 1310960911.

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

It is a cyclic number.

It is not a de Polignac number, because 1190690131 - 2⁷ = 1190690003 is a prime.

It is a super-2 number, since 2×1190690131² = 2835485976121594322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1190690093 and 1190690102.

It is not an unprimeable number, because it can be changed into a prime (1190690531) 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, 130621 + ... + 139438.

It is an arithmetic number, because the mean of its divisors is an integer number (297741150).

Almost surely, 2^1190690131 is an apocalyptic number.

1190690131 is a deficient number, since it is larger than the sum of its proper divisors (274469).

1190690131 is an equidigital number, since it uses as much as digits as its factorization.

1190690131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274468.

The product of its (nonzero) digits is 1458, while the sum is 31.

The square root of 1190690131 is about 34506.3781205736. The cubic root of 1190690131 is about 1059.9033170985.

The spelling of 1190690131 in words is "one billion, one hundred ninety million, six hundred ninety thousand, one hundred thirty-one".