100707121 has 4 divisors (see below), whose sum is σ = 100759792. Its totient is φ = 100654452.

The previous prime is 100707119. The next prime is 100707143. The reversal of 100707121 is 121707001.

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.

It is a cyclic number.

It is not a de Polignac number, because 100707121 - 2¹ = 100707119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100707151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23355 + ... + 27328.

It is an arithmetic number, because the mean of its divisors is an integer number (25189948).

Almost surely, 2^100707121 is an apocalyptic number.

It is an amenable number.

100707121 is a deficient number, since it is larger than the sum of its proper divisors (52671).

100707121 is an equidigital number, since it uses as much as digits as its factorization.

100707121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52670.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 100707121 is about 10035.2937674988. The cubic root of 100707121 is about 465.2503696593.

The spelling of 100707121 in words is "one hundred million, seven hundred seven thousand, one hundred twenty-one".