986121 has 8 divisors (see below), whose sum is σ = 1460960. Its totient is φ = 657396.

The previous prime is 986113. The next prime is 986131. The reversal of 986121 is 121689.

It is not a de Polignac number, because 986121 - 2³ = 986113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 36523 = 986121 / (9 + 8 + 6 + 1 + 2 + 1).

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 986121.

It is not an unprimeable number, because it can be changed into a prime (986101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18235 + ... + 18288.

It is an arithmetic number, because the mean of its divisors is an integer number (182620).

2⁹⁸⁶¹²¹ is an apocalyptic number.

It is an amenable number.

986121 is a deficient number, since it is larger than the sum of its proper divisors (474839).

986121 is a wasteful number, since it uses less digits than its factorization.

986121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36532 (or 36526 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 986121 is about 993.0362531147. The cubic root of 986121 is about 99.5352097135.

The spelling of 986121 in words is "nine hundred eighty-six thousand, one hundred twenty-one".