1232139 has 8 divisors (see below), whose sum is σ = 1670032. Its totient is φ = 807840.

The previous prime is 1232089. The next prime is 1232171. The reversal of 1232139 is 9312321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1232139 - 2⁸ = 1231883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232339) 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, 3184 + ... + 3549.

It is an arithmetic number, because the mean of its divisors is an integer number (208754).

2^1232139 is an apocalyptic number.

1232139 is a deficient number, since it is larger than the sum of its proper divisors (437893).

1232139 is an equidigital number, since it uses as much as digits as its factorization.

1232139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6797.

The product of its digits is 324, while the sum is 21.

The square root of 1232139 is about 1110.0175674286. The cubic root of 1232139 is about 107.2061997510.

The spelling of 1232139 in words is "one million, two hundred thirty-two thousand, one hundred thirty-nine".