1087019240 has 16 divisors (see below), whose sum is σ = 2445793380. Its totient is φ = 434807680.

The previous prime is 1087019233. The next prime is 1087019251. The reversal of 1087019240 is 429107801.

It can be written as a sum of positive squares in 2 ways, for example, as 885776644 + 201242596 = 29762^2 + 14186^2 .

It is a super-2 number, since 2×1087019240² = 2363221656260355200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1087019197 and 1087019206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13587701 + ... + 13587780.

Almost surely, 2^1087019240 is an apocalyptic number.

1087019240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1087019240 is an abundant number, since it is smaller than the sum of its proper divisors (1358774140).

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

1087019240 is a wasteful number, since it uses less digits than its factorization.

1087019240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27175492 (or 27175488 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1087019240 is about 32969.9748255894. The cubic root of 1087019240 is about 1028.2034979960.

The spelling of 1087019240 in words is "one billion, eighty-seven million, nineteen thousand, two hundred forty".