1045431 has 6 divisors (see below), whose sum is σ = 1510080. Its totient is φ = 696948.

The previous prime is 1045427. The next prime is 1045469. The reversal of 1045431 is 1345401.

It is a happy number.

It is not a de Polignac number, because 1045431 - 2² = 1045427 is a prime.

It is a super-2 number, since 2×1045431² = 2185851951522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58071 + ... + 58088.

It is an arithmetic number, because the mean of its divisors is an integer number (251680).

2^1045431 is an apocalyptic number.

1045431 is a deficient number, since it is larger than the sum of its proper divisors (464649).

1045431 is a wasteful number, since it uses less digits than its factorization.

1045431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116165 (or 116162 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1045431 is about 1022.4632022718. The cubic root of 1045431 is about 101.4919954538.

The spelling of 1045431 in words is "one million, forty-five thousand, four hundred thirty-one".