1087261700 has 72 divisors (see below), whose sum is σ = 2838360000. Its totient is φ = 353151360.

The previous prime is 1087261691. The next prime is 1087261709. The reversal of 1087261700 is 71627801.

It is an interprime number because it is at equal distance from previous prime (1087261691) and next prime (1087261709).

It is not an unprimeable number, because it can be changed into a prime (1087261709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27575 + ... + 54174.

Almost surely, 2^1087261700 is an apocalyptic number.

1087261700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1087261700 is an abundant number, since it is smaller than the sum of its proper divisors (1751098300).

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

1087261700 is a wasteful number, since it uses less digits than its factorization.

1087261700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81789 (or 81782 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 1087261700 is about 32973.6516024537. The cubic root of 1087261700 is about 1028.2799393560.

The spelling of 1087261700 in words is "one billion, eighty-seven million, two hundred sixty-one thousand, seven hundred".