1190631 has 8 divisors (see below), whose sum is σ = 1709680. Its totient is φ = 732672.

The previous prime is 1190611. The next prime is 1190633. The reversal of 1190631 is 1360911.

It is a happy number.

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

It is not a de Polignac number, because 1190631 - 2¹⁰ = 1189607 is a prime.

It is a super-2 number, since 2×1190631² = 2835204356322, 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 = 1190598 and 1190607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1190633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15226 + ... + 15303.

It is an arithmetic number, because the mean of its divisors is an integer number (213710).

2^1190631 is an apocalyptic number.

1190631 is a deficient number, since it is larger than the sum of its proper divisors (519049).

1190631 is a wasteful number, since it uses less digits than its factorization.

1190631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30545.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1190631 is about 1091.1603915099. The cubic root of 1190631 is about 105.9885771481.

The spelling of 1190631 in words is "one million, one hundred ninety thousand, six hundred thirty-one".