1169431 has 8 divisors (see below), whose sum is σ = 1252400. Its totient is φ = 1088640.

The previous prime is 1169419. The next prime is 1169449. The reversal of 1169431 is 1349611.

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 1169431 - 2⁹ = 1168919 is a prime.

It is a super-2 number, since 2×1169431² = 2735137727522, which contains 22 as substring.

It is a Duffinian number.

1169431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1169396 and 1169405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1169401) 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, 655 + ... + 1663.

It is an arithmetic number, because the mean of its divisors is an integer number (156550).

2^1169431 is an apocalyptic number.

1169431 is a deficient number, since it is larger than the sum of its proper divisors (82969).

1169431 is a wasteful number, since it uses less digits than its factorization.

1169431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089.

The product of its digits is 648, while the sum is 25.

The square root of 1169431 is about 1081.4023303100. The cubic root of 1169431 is about 105.3557397277.

It can be divided in two parts, 1169 and 431, that added together give a square (1600 = 40²).

The spelling of 1169431 in words is "one million, one hundred sixty-nine thousand, four hundred thirty-one".