101230998 has 32 divisors (see below), whose sum is σ = 223903872. Its totient is φ = 30254400.

The previous prime is 101230991. The next prime is 101230999. The reversal of 101230998 is 899032101.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101230991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5688 + ... + 15323.

It is an arithmetic number, because the mean of its divisors is an integer number (6996996).

Almost surely, 2^101230998 is an apocalyptic number.

101230998 is an abundant number, since it is smaller than the sum of its proper divisors (122672874).

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

101230998 is a wasteful number, since it uses less digits than its factorization.

101230998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21100.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 101230998 is about 10061.3616374723. The cubic root of 101230998 is about 466.0557167197.

The spelling of 101230998 in words is "one hundred one million, two hundred thirty thousand, nine hundred ninety-eight".