1239080 has 16 divisors (see below), whose sum is σ = 2788020. Its totient is φ = 495616.

The previous prime is 1239067. The next prime is 1239089. The reversal of 1239080 is 809321.

It can be written as a sum of positive squares in 2 ways, for example, as 1119364 + 119716 = 1058^2 + 346^2 .

It is not an unprimeable number, because it can be changed into a prime (1239089) 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, 15449 + ... + 15528.

2^1239080 is an apocalyptic number.

1239080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1239080 is an abundant number, since it is smaller than the sum of its proper divisors (1548940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1239080 is a wasteful number, since it uses less digits than its factorization.

1239080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30988 (or 30984 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1239080 is about 1113.1397037210. The cubic root of 1239080 is about 107.4071308987.

The spelling of 1239080 in words is "one million, two hundred thirty-nine thousand, eighty".