1150439 has 4 divisors (see below), whose sum is σ = 1152624. Its totient is φ = 1148256.

The previous prime is 1150423. The next prime is 1150447. The reversal of 1150439 is 9340511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1150439 - 2⁴ = 1150423 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 (1150489) 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, 239 + ... + 1535.

It is an arithmetic number, because the mean of its divisors is an integer number (288156).

2^1150439 is an apocalyptic number.

1150439 is a deficient number, since it is larger than the sum of its proper divisors (2185).

1150439 is an equidigital number, since it uses as much as digits as its factorization.

1150439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1150439 is about 1072.5851947514. The cubic root of 1150439 is about 104.7822850911.

The spelling of 1150439 in words is "one million, one hundred fifty thousand, four hundred thirty-nine".