1090031 has 2 divisors, whose sum is σ = 1090032. Its totient is φ = 1090030.

The previous prime is 1090027. The next prime is 1090097. The reversal of 1090031 is 1300901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1090031 - 2² = 1090027 is a prime.

It is a super-2 number, since 2×1090031² = 2376335161922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1089988 and 1090015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1090021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545015 + 545016.

It is an arithmetic number, because the mean of its divisors is an integer number (545016).

2^1090031 is an apocalyptic number.

1090031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090031 is an equidigital number, since it uses as much as digits as its factorization.

1090031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1090031 is about 1044.0454970929. The cubic root of 1090031 is about 102.9152222875.

Adding to 1090031 its reverse (1300901), we get a palindrome (2390932).

The spelling of 1090031 in words is "one million, ninety thousand, thirty-one".