1190431 has 8 divisors (see below), whose sum is σ = 1340928. Its totient is φ = 1047000.

The previous prime is 1190429. The next prime is 1190447. The reversal of 1190431 is 1340911.

It is a happy number.

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 1190431 - 2¹ = 1190429 is a prime.

It is a super-2 number, since 2×1190431² = 2834251931522, 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 = 1190399 and 1190408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1190491) 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, 1405 + ... + 2086.

It is an arithmetic number, because the mean of its divisors is an integer number (167616).

2^1190431 is an apocalyptic number.

1190431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1190431 is a deficient number, since it is larger than the sum of its proper divisors (150497).

1190431 is a wasteful number, since it uses less digits than its factorization.

1190431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1190431 is about 1091.0687421056. The cubic root of 1190431 is about 105.9826422272.

It can be divided in two parts, 11904 and 31, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 1190431 in words is "one million, one hundred ninety thousand, four hundred thirty-one".