1239087132 has 84 divisors (see below), whose sum is σ = 3320656416. Its totient is φ = 404196480.

The previous prime is 1239087121. The next prime is 1239087151. The reversal of 1239087132 is 2317809321.

1239087132 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 132532 + ... + 141572.

It is an arithmetic number, because the mean of its divisors is an integer number (39531624).

Almost surely, 2^1239087132 is an apocalyptic number.

1239087132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1239087132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660328208).

1239087132 is an abundant number, since it is smaller than the sum of its proper divisors (2081569284).

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

1239087132 is an equidigital number, since it uses as much as digits as its factorization.

1239087132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110 (or 9093 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1239087132 is about 35200.6694822698. The cubic root of 1239087132 is about 1074.0733697263.

The spelling of 1239087132 in words is "one billion, two hundred thirty-nine million, eighty-seven thousand, one hundred thirty-two".