987044125 has 8 divisors (see below), whose sum is σ = 1231831224. Its totient is φ = 789635200.

The previous prime is 987044119. The next prime is 987044137. The reversal of 987044125 is 521440789.

It can be written as a sum of positive squares in 4 ways, for example, as 242518329 + 744525796 = 15573^2 + 27286^2 .

It is not a de Polignac number, because 987044125 - 2³ = 987044117 is a prime.

It is a super-2 number, since 2×987044125² = 1948512209394031250, which contains 22 as substring.

It is a Duffinian number.

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, 3948052 + ... + 3948301.

It is an arithmetic number, because the mean of its divisors is an integer number (153978903).

Almost surely, 2^987044125 is an apocalyptic number.

It is an amenable number.

987044125 is a deficient number, since it is larger than the sum of its proper divisors (244787099).

987044125 is an equidigital number, since it uses as much as digits as its factorization.

987044125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896368 (or 7896358 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 987044125 is about 31417.2583940738. The cubic root of 987044125 is about 995.6625890665.

The spelling of 987044125 in words is "nine hundred eighty-seven million, forty-four thousand, one hundred twenty-five".