1119431 has 4 divisors (see below), whose sum is σ = 1121664. Its totient is φ = 1117200.

The previous prime is 1119403. The next prime is 1119449. The reversal of 1119431 is 1349111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1349111 = 23 ⋅58657.

It is a cyclic number.

It is not a de Polignac number, because 1119431 - 2¹⁸ = 857287 is a prime.

It is a super-2 number, since 2×1119431² = 2506251527522, 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 (1116431) 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, 26 + ... + 1496.

It is an arithmetic number, because the mean of its divisors is an integer number (280416).

2^1119431 is an apocalyptic number.

1119431 is a deficient number, since it is larger than the sum of its proper divisors (2233).

1119431 is an equidigital number, since it uses as much as digits as its factorization.

1119431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232.

The product of its digits is 108, while the sum is 20.

The square root of 1119431 is about 1058.0316630423. The cubic root of 1119431 is about 103.8322925750.

The spelling of 1119431 in words is "one million, one hundred nineteen thousand, four hundred thirty-one".