1087144004 has 6 divisors (see below), whose sum is σ = 1902502014. Its totient is φ = 543572000.

The previous prime is 1087143973. The next prime is 1087144031. The reversal of 1087144004 is 4004417801.

It can be written as a sum of positive squares in only one way, i.e., 1065891904 + 21252100 = 32648^2 + 4610^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135892997 + ... + 135893004.

It is an arithmetic number, because the mean of its divisors is an integer number (317083669).

Almost surely, 2^1087144004 is an apocalyptic number.

It is an amenable number.

1087144004 is a deficient number, since it is larger than the sum of its proper divisors (815358010).

1087144004 is a wasteful number, since it uses less digits than its factorization.

1087144004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271786005 (or 271786003 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 1087144004 is about 32971.8668564581. The cubic root of 1087144004 is about 1028.2428342742.

The spelling of 1087144004 in words is "one billion, eighty-seven million, one hundred forty-four thousand, four".