100961015 has 4 divisors (see below), whose sum is σ = 121153224. Its totient is φ = 80768808.

The previous prime is 100960999. The next prime is 100961051. The reversal of 100961015 is 510169001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510169001 = 4139 ⋅123259.

It is a cyclic number.

It is not a de Polignac number, because 100961015 - 2⁴ = 100960999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 10096097 + ... + 10096106.

It is an arithmetic number, because the mean of its divisors is an integer number (30288306).

Almost surely, 2^100961015 is an apocalyptic number.

100961015 is a deficient number, since it is larger than the sum of its proper divisors (20192209).

100961015 is an equidigital number, since it uses as much as digits as its factorization.

100961015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20192208.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 100961015 is about 10047.9358576774. The cubic root of 100961015 is about 465.6410244174.

It can be divided in two parts, 10096 and 1015, that added together give a palindrome (11111).

The spelling of 100961015 in words is "one hundred million, nine hundred sixty-one thousand, fifteen".