100542259 has 8 divisors (see below), whose sum is σ = 103057920. Its totient is φ = 98042376.

The previous prime is 100542227. The next prime is 100542263. The reversal of 100542259 is 952245001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100542259 - 2⁵ = 100542227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100542859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9522 + ... + 17080.

It is an arithmetic number, because the mean of its divisors is an integer number (12882240).

Almost surely, 2^100542259 is an apocalyptic number.

100542259 is a deficient number, since it is larger than the sum of its proper divisors (2515661).

100542259 is an equidigital number, since it uses as much as digits as its factorization.

100542259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 100542259 is about 10027.0762937159. The cubic root of 100542259 is about 464.9963525362.

It can be divided in two parts, 1005 and 42259, that added together give a square (43264 = 208²).

The spelling of 100542259 in words is "one hundred million, five hundred forty-two thousand, two hundred fifty-nine".