1087612900 has 144 divisors (see below), whose sum is σ = 2667329280. Its totient is φ = 381542400.

The previous prime is 1087612873. The next prime is 1087612957. The reversal of 1087612900 is 92167801.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5635204 + ... + 5635396.

It is an arithmetic number, because the mean of its divisors is an integer number (18523120).

Almost surely, 2^1087612900 is an apocalyptic number.

1087612900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1087612900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333664640).

1087612900 is an abundant number, since it is smaller than the sum of its proper divisors (1579716380).

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

1087612900 is a wasteful number, since it uses less digits than its factorization.

1087612900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1087612900 is about 32978.9766366393. The cubic root of 1087612900 is about 1028.3906434727.

The spelling of 1087612900 in words is "one billion, eighty-seven million, six hundred twelve thousand, nine hundred".