1167431 has 4 divisors (see below), whose sum is σ = 1189512. Its totient is φ = 1145352.

The previous prime is 1167421. The next prime is 1167443. The reversal of 1167431 is 1347611.

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 1167431 - 2¹⁴ = 1151047 is a prime.

It is a super-2 number, since 2×1167431² = 2725790279522, 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 = 1167397 and 1167406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167421) 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, 10961 + ... + 11066.

It is an arithmetic number, because the mean of its divisors is an integer number (297378).

2^1167431 is an apocalyptic number.

1167431 is a deficient number, since it is larger than the sum of its proper divisors (22081).

1167431 is an equidigital number, since it uses as much as digits as its factorization.

1167431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22080.

The product of its digits is 504, while the sum is 23.

The square root of 1167431 is about 1080.4772093848. The cubic root of 1167431 is about 105.2956444860.

The spelling of 1167431 in words is "one million, one hundred sixty-seven thousand, four hundred thirty-one".