1061431 has 8 divisors (see below), whose sum is σ = 1236384. Its totient is φ = 892320.

The previous prime is 1061413. The next prime is 1061441. The reversal of 1061431 is 1341601.

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 1061431 - 2¹⁵ = 1028663 is a prime.

It is a super-2 number, since 2×1061431² = 2253271535522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061441) 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, 1060 + ... + 1801.

It is an arithmetic number, because the mean of its divisors is an integer number (154548).

2^1061431 is an apocalyptic number.

1061431 is a deficient number, since it is larger than the sum of its proper divisors (174953).

1061431 is an equidigital number, since it uses as much as digits as its factorization.

1061431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1061431 is about 1030.2577347441. The cubic root of 1061431 is about 102.0071441875.

The spelling of 1061431 in words is "one million, sixty-one thousand, four hundred thirty-one".