1069431 has 16 divisors (see below), whose sum is σ = 1624320. Its totient is φ = 619520.

The previous prime is 1069429. The next prime is 1069441. The reversal of 1069431 is 1349601.

It is not a de Polignac number, because 1069431 - 2¹ = 1069429 is a prime.

It is a super-2 number, since 2×1069431² = 2287365327522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55 + ... + 1463.

It is an arithmetic number, because the mean of its divisors is an integer number (101520).

2^1069431 is an apocalyptic number.

1069431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1069431 is a deficient number, since it is larger than the sum of its proper divisors (554889).

1069431 is a wasteful number, since it uses less digits than its factorization.

1069431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1069431 is about 1034.1329701736. The cubic root of 1069431 is about 102.2627787944.

The spelling of 1069431 in words is "one million, sixty-nine thousand, four hundred thirty-one".