1170431 has 4 divisors (see below), whose sum is σ = 1174152. Its totient is φ = 1166712.

The previous prime is 1170397. The next prime is 1170437. The reversal of 1170431 is 1340711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1340711 = 487 ⋅2753.

It is a cyclic number.

It is not a de Polignac number, because 1170431 - 2¹⁴ = 1154047 is a prime.

It is a super-2 number, since 2×1170431² = 2739817451522, 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 (1170437) 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, 1340 + ... + 2033.

It is an arithmetic number, because the mean of its divisors is an integer number (293538).

2^1170431 is an apocalyptic number.

1170431 is a deficient number, since it is larger than the sum of its proper divisors (3721).

1170431 is an equidigital number, since it uses as much as digits as its factorization.

1170431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1170431 is about 1081.8645941152. The cubic root of 1170431 is about 105.3857616567.

The spelling of 1170431 in words is "one million, one hundred seventy thousand, four hundred thirty-one".