987900201 has 12 divisors (see below), whose sum is σ = 1428377860. Its totient is φ = 657948960.

The previous prime is 987900197. The next prime is 987900203. The reversal of 987900201 is 102009789.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 443144601 + 544755600 = 21051^2 + 23340^2 .

It is not a de Polignac number, because 987900201 - 2² = 987900197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (987900203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44566 + ... + 62943.

Almost surely, 2^987900201 is an apocalyptic number.

It is an amenable number.

987900201 is a deficient number, since it is larger than the sum of its proper divisors (440477659).

987900201 is a wasteful number, since it uses less digits than its factorization.

987900201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108536 (or 108533 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 987900201 is about 31430.8797363357. The cubic root of 987900201 is about 995.9503561892.

The spelling of 987900201 in words is "nine hundred eighty-seven million, nine hundred thousand, two hundred one".