1146631 has 8 divisors (see below), whose sum is σ = 1249200. Its totient is φ = 1048320.

The previous prime is 1146581. The next prime is 1146661. The reversal of 1146631 is 1366411.

It is a happy number.

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 1146631 - 2¹⁵ = 1113863 is a prime.

It is a super-2 number, since 2×1146631² = 2629525300322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146661) 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, 490 + ... + 1591.

It is an arithmetic number, because the mean of its divisors is an integer number (156150).

2^1146631 is an apocalyptic number.

1146631 is a deficient number, since it is larger than the sum of its proper divisors (102569).

1146631 is a wasteful number, since it uses less digits than its factorization.

1146631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129.

The product of its digits is 432, while the sum is 22.

The square root of 1146631 is about 1070.8085729952. The cubic root of 1146631 is about 104.6665460847. Note that the first 3 decimals are identical.

The spelling of 1146631 in words is "one million, one hundred forty-six thousand, six hundred thirty-one".