1232091 has 40 divisors (see below), whose sum is σ = 2195424. Its totient is φ = 673920.

The previous prime is 1232089. The next prime is 1232171. The reversal of 1232091 is 1902321.

It is a happy number.

It is not a de Polignac number, because 1232091 - 2¹ = 1232089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232071) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23221 + ... + 23273.

2^1232091 is an apocalyptic number.

1232091 is a deficient number, since it is larger than the sum of its proper divisors (963333).

1232091 is an equidigital number, since it uses as much as digits as its factorization.

1232091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1232091 is about 1109.9959459385. The cubic root of 1232091 is about 107.2048076016.

The spelling of 1232091 in words is "one million, two hundred thirty-two thousand, ninety-one".