1107631 has 4 divisors (see below), whose sum is σ = 1265872. Its totient is φ = 949392.

The previous prime is 1107619. The next prime is 1107677. The reversal of 1107631 is 1367011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1367011 = 233 ⋅5867.

It is a cyclic number.

It is not a de Polignac number, because 1107631 - 2⁷ = 1107503 is a prime.

It is a super-2 number, since 2×1107631² = 2453692864322, 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 = 1107599 and 1107608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1107031) 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, 79110 + ... + 79123.

It is an arithmetic number, because the mean of its divisors is an integer number (316468).

2^1107631 is an apocalyptic number.

1107631 is a deficient number, since it is larger than the sum of its proper divisors (158241).

1107631 is an equidigital number, since it uses as much as digits as its factorization.

1107631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158240.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 1107631 is about 1052.4404971304. The cubic root of 1107631 is about 103.4661686279.

The spelling of 1107631 in words is "one million, one hundred seven thousand, six hundred thirty-one".