107220981 has 16 divisors (see below), whose sum is σ = 166064768. Its totient is φ = 60264000.

The previous prime is 107220947. The next prime is 107220991. The reversal of 107220981 is 189022701.

It is not a de Polignac number, because 107220981 - 2⁹ = 107220469 is a prime.

It is a super-2 number, since 2×107220981² = 22992677533204722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107220991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40570 + ... + 43131.

It is an arithmetic number, because the mean of its divisors is an integer number (10379048).

Almost surely, 2^107220981 is an apocalyptic number.

It is an amenable number.

107220981 is a deficient number, since it is larger than the sum of its proper divisors (58843787).

107220981 is an equidigital number, since it uses as much as digits as its factorization.

107220981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83772.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 107220981 is about 10354.7564432970. The cubic root of 107220981 is about 475.0725370294.

The spelling of 107220981 in words is "one hundred seven million, two hundred twenty thousand, nine hundred eighty-one".