107206874521 has 4 divisors (see below), whose sum is σ = 107227257444. Its totient is φ = 107186491600.

The previous prime is 107206874519. The next prime is 107206874527. The reversal of 107206874521 is 125478602701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 125478602701 = 29 ⋅4326848369.

It can be written as a sum of positive squares in 2 ways, for example, as 75996705625 + 31210168896 = 275675^2 + 176664^2 .

It is a cyclic number.

It is not a de Polignac number, because 107206874521 - 2¹ = 107206874519 is a prime.

It is a super-2 number, since 2×107206874521² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107206874527) 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, 10183570 + ... + 10194091.

It is an arithmetic number, because the mean of its divisors is an integer number (26806814361).

Almost surely, 2^107206874521 is an apocalyptic number.

It is an amenable number.

107206874521 is a deficient number, since it is larger than the sum of its proper divisors (20382923).

107206874521 is an equidigital number, since it uses as much as digits as its factorization.

107206874521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20382922.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 107206874521 in words is "one hundred seven billion, two hundred six million, eight hundred seventy-four thousand, five hundred twenty-one".