120658998 has 16 divisors (see below), whose sum is σ = 247840560. Its totient is φ = 39132576.

The previous prime is 120658997. The next prime is 120659029. The reversal of 120658998 is 899856021.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120658997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271533 + ... + 271976.

It is an arithmetic number, because the mean of its divisors is an integer number (15490035).

Almost surely, 2^120658998 is an apocalyptic number.

120658998 is an abundant number, since it is smaller than the sum of its proper divisors (127181562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120658998 is a wasteful number, since it uses less digits than its factorization.

120658998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543551.

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 120658998 is about 10984.4889730929. The cubic root of 120658998 is about 494.1436719803.

The spelling of 120658998 in words is "one hundred twenty million, six hundred fifty-eight thousand, nine hundred ninety-eight".