1087844252 has 24 divisors (see below), whose sum is σ = 2132926320. Its totient is φ = 481109760.

The previous prime is 1087844243. The next prime is 1087844287. The reversal of 1087844252 is 2524487801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332477 + ... + 335732.

It is an arithmetic number, because the mean of its divisors is an integer number (88871930).

Almost surely, 2^1087844252 is an apocalyptic number.

It is an amenable number.

1087844252 is a deficient number, since it is larger than the sum of its proper divisors (1045082068).

1087844252 is a wasteful number, since it uses less digits than its factorization.

1087844252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668261 (or 668259 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

The square root of 1087844252 is about 32982.4840180360. The cubic root of 1087844252 is about 1028.4635564746.

The spelling of 1087844252 in words is "one billion, eighty-seven million, eight hundred forty-four thousand, two hundred fifty-two".