100984157 has 4 divisors (see below), whose sum is σ = 101016576. Its totient is φ = 100951740.

The previous prime is 100984151. The next prime is 100984159. The reversal of 100984157 is 751489001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 751489001 = 79 ⋅9512519.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100984157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100984151) 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 3 ways as a sum of consecutive naturals, for example, 10973 + ... + 17954.

It is an arithmetic number, because the mean of its divisors is an integer number (25254144).

Almost surely, 2^100984157 is an apocalyptic number.

It is an amenable number.

100984157 is a deficient number, since it is larger than the sum of its proper divisors (32419).

100984157 is an equidigital number, since it uses as much as digits as its factorization.

100984157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32418.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 100984157 is about 10049.0873714980. The cubic root of 100984157 is about 465.6765993415.

The spelling of 100984157 in words is "one hundred million, nine hundred eighty-four thousand, one hundred fifty-seven".