107226521 has 4 divisors (see below), whose sum is σ = 109841844. Its totient is φ = 104611200.

The previous prime is 107226517. The next prime is 107226523. The reversal of 107226521 is 125622701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 125622701 = 1129 ⋅111269.

It can be written as a sum of positive squares in 2 ways, for example, as 59892121 + 47334400 = 7739^2 + 6880^2 .

It is a cyclic number.

It is not a de Polignac number, because 107226521 - 2² = 107226517 is a prime.

It is a super-2 number, since 2×107226521² = 22995053611526882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107226523) 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, 1307600 + ... + 1307681.

It is an arithmetic number, because the mean of its divisors is an integer number (27460461).

Almost surely, 2^107226521 is an apocalyptic number.

It is an amenable number.

107226521 is a deficient number, since it is larger than the sum of its proper divisors (2615323).

107226521 is an equidigital number, since it uses as much as digits as its factorization.

107226521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615322.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 107226521 is about 10355.0239497550. The cubic root of 107226521 is about 475.0807190616.

The spelling of 107226521 in words is "one hundred seven million, two hundred twenty-six thousand, five hundred twenty-one".