101998954 has 32 divisors (see below), whose sum is σ = 166060800. Its totient is φ = 46837440.

The previous prime is 101998913. The next prime is 101998957. The reversal of 101998954 is 459899101.

It is not an unprimeable number, because it can be changed into a prime (101998957) 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, 182844 + ... + 183400.

It is an arithmetic number, because the mean of its divisors is an integer number (5189400).

Almost surely, 2^101998954 is an apocalyptic number.

101998954 is a deficient number, since it is larger than the sum of its proper divisors (64061846).

101998954 is a wasteful number, since it uses less digits than its factorization.

101998954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 101998954 is about 10099.4531535128. The cubic root of 101998954 is about 467.2312756876.

The spelling of 101998954 in words is "one hundred one million, nine hundred ninety-eight thousand, nine hundred fifty-four".