1194431 has 4 divisors (see below), whose sum is σ = 1365072. Its totient is φ = 1023792.

The previous prime is 1194421. The next prime is 1194439. The reversal of 1194431 is 1344911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1344911 = 43 ⋅31277.

It is a de Polignac number, because none of the positive numbers 2^k-1194431 is a prime.

It is a super-2 number, since 2×1194431² = 2853330827522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1194397 and 1194406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85310 + ... + 85323.

It is an arithmetic number, because the mean of its divisors is an integer number (341268).

2^1194431 is an apocalyptic number.

1194431 is a deficient number, since it is larger than the sum of its proper divisors (170641).

1194431 is an equidigital number, since it uses as much as digits as its factorization.

1194431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170640.

The product of its digits is 432, while the sum is 23.

The square root of 1194431 is about 1092.9002699240. The cubic root of 1194431 is about 106.1012145855.

The spelling of 1194431 in words is "one million, one hundred ninety-four thousand, four hundred thirty-one".