1089027431 has 2 divisors, whose sum is σ = 1089027432. Its totient is φ = 1089027430.

The previous prime is 1089027421. The next prime is 1089027461. The reversal of 1089027431 is 1347209801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1089027431 - 2⁶ = 1089027367 is a prime.

It is a super-2 number, since 2×1089027431² = 2371961490940919522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1089027391 and 1089027400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1089027421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544513715 + 544513716.

It is an arithmetic number, because the mean of its divisors is an integer number (544513716).

Almost surely, 2^1089027431 is an apocalyptic number.

1089027431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089027431 is an equidigital number, since it uses as much as digits as its factorization.

1089027431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1089027431 is about 33000.4156185949. The cubic root of 1089027431 is about 1028.8362861739.

The spelling of 1089027431 in words is "one billion, eighty-nine million, twenty-seven thousand, four hundred thirty-one".