1232989 has 4 divisors (see below), whose sum is σ = 1235520. Its totient is φ = 1230460.

The previous prime is 1232983. The next prime is 1232999. The reversal of 1232989 is 9892321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1232989 - 2³ = 1232981 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277 + ... + 1594.

It is an arithmetic number, because the mean of its divisors is an integer number (308880).

2^1232989 is an apocalyptic number.

It is an amenable number.

1232989 is a deficient number, since it is larger than the sum of its proper divisors (2531).

1232989 is an equidigital number, since it uses as much as digits as its factorization.

1232989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530.

The product of its digits is 7776, while the sum is 34.

The square root of 1232989 is about 1110.4003782420. The cubic root of 1232989 is about 107.2308464083.

The spelling of 1232989 in words is "one million, two hundred thirty-two thousand, nine hundred eighty-nine".