982649123 has 4 divisors (see below), whose sum is σ = 982820520. Its totient is φ = 982477728.

The previous prime is 982649117. The next prime is 982649141. The reversal of 982649123 is 321946289.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 982649123 - 2²⁰ = 981600547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (982649323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76790 + ... + 88667.

It is an arithmetic number, because the mean of its divisors is an integer number (245705130).

Almost surely, 2^982649123 is an apocalyptic number.

982649123 is a deficient number, since it is larger than the sum of its proper divisors (171397).

982649123 is a wasteful number, since it uses less digits than its factorization.

982649123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171396.

The product of its digits is 186624, while the sum is 44.

The square root of 982649123 is about 31347.2346946266. The cubic root of 982649123 is about 994.1825977894.

The spelling of 982649123 in words is "nine hundred eighty-two million, six hundred forty-nine thousand, one hundred twenty-three".