1087245040 has 40 divisors (see below), whose sum is σ = 2888966880. Its totient is φ = 372769536.

The previous prime is 1087245023. The next prime is 1087245053. The reversal of 1087245040 is 405427801.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1087244993 and 1087245011.

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, 970195 + ... + 971314.

It is an arithmetic number, because the mean of its divisors is an integer number (72224172).

Almost surely, 2^1087245040 is an apocalyptic number.

1087245040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1087245040 is an abundant number, since it is smaller than the sum of its proper divisors (1801721840).

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

1087245040 is a wasteful number, since it uses less digits than its factorization.

1087245040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941529 (or 1941523 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 1087245040 is about 32973.3989755378. The cubic root of 1087245040 is about 1028.2746872530.

The spelling of 1087245040 in words is "one billion, eighty-seven million, two hundred forty-five thousand, forty".