1087258432 has 112 divisors (see below), whose sum is σ = 2472131200. Its totient is φ = 470292480.

The previous prime is 1087258391. The next prime is 1087258453. The reversal of 1087258432 is 2348527801.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1722757 + ... + 1723387.

It is an arithmetic number, because the mean of its divisors is an integer number (22072600).

Almost surely, 2^1087258432 is an apocalyptic number.

1087258432 is the 26923-rd pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1087258432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1236065600).

1087258432 is an abundant number, since it is smaller than the sum of its proper divisors (1384872768).

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

1087258432 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (1087258431) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (784).

1087258432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 1087258432 is about 32973.6020476987. The cubic root of 1087258432 is about 1028.2789091158.

The spelling of 1087258432 in words is "one billion, eighty-seven million, two hundred fifty-eight thousand, four hundred thirty-two".