1087212528 has 60 divisors (see below), whose sum is σ = 3202834440. Its totient is φ = 343329408.

The previous prime is 1087212521. The next prime is 1087212541. The reversal of 1087212528 is 8252127801.

1087212528 is a `hidden beast` number, since 108 + 7 + 21 + 2 + 528 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1087212492 and 1087212501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087212521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195951 + ... + 201422.

It is an arithmetic number, because the mean of its divisors is an integer number (53380574).

Almost surely, 2^1087212528 is an apocalyptic number.

1087212528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1087212528 is an abundant number, since it is smaller than the sum of its proper divisors (2115621912).

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

1087212528 is a wasteful number, since it uses less digits than its factorization.

1087212528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397406 (or 397397 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 1087212528 is about 32972.9059683856. The cubic root of 1087212528 is about 1028.2644376163.

The spelling of 1087212528 in words is "one billion, eighty-seven million, two hundred twelve thousand, five hundred twenty-eight".