107040521 has 4 divisors (see below), whose sum is σ = 122332032. Its totient is φ = 91749012.

The previous prime is 107040503. The next prime is 107040529. The reversal of 107040521 is 125040701.

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: 125040701 = 31 ⋅4033571.

It is a cyclic number.

It is not a de Polignac number, because 107040521 - 2²² = 102846217 is a prime.

It is a super-2 number, since 2×107040521² = 22915346271902882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 107040493 and 107040502.

It is not an unprimeable number, because it can be changed into a prime (107040529) 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, 7645745 + ... + 7645758.

It is an arithmetic number, because the mean of its divisors is an integer number (30583008).

Almost surely, 2^107040521 is an apocalyptic number.

It is an amenable number.

107040521 is a deficient number, since it is larger than the sum of its proper divisors (15291511).

107040521 is an equidigital number, since it uses as much as digits as its factorization.

107040521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15291510.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 107040521 is about 10346.0389038511. The cubic root of 107040521 is about 474.8058611993.

The spelling of 107040521 in words is "one hundred seven million, forty thousand, five hundred twenty-one".