1404111231 has 6 divisors (see below), whose sum is σ = 2028160680. Its totient is φ = 936074148.

The previous prime is 1404111217. The next prime is 1404111239. The reversal of 1404111231 is 1321114041.

It is not a de Polignac number, because 1404111231 - 2⁶ = 1404111167 is a prime.

It is a super-2 number, since 2×1404111231² = 3943056698040670722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404111239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78006171 + ... + 78006188.

It is an arithmetic number, because the mean of its divisors is an integer number (338026780).

Almost surely, 2^1404111231 is an apocalyptic number.

1404111231 is a deficient number, since it is larger than the sum of its proper divisors (624049449).

1404111231 is a wasteful number, since it uses less digits than its factorization.

1404111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156012365 (or 156012362 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1404111231 is about 37471.4722288837. The cubic root of 1404111231 is about 1119.7829168447.

Adding to 1404111231 its reverse (1321114041), we get a palindrome (2725225272).

The spelling of 1404111231 in words is "one billion, four hundred four million, one hundred eleven thousand, two hundred thirty-one".