107540981 has 4 divisors (see below), whose sum is σ = 110447532. Its totient is φ = 104634432.

The previous prime is 107540977. The next prime is 107541017. The reversal of 107540981 is 189045701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94284100 + 13256881 = 9710^2 + 3641^2 .

It is a cyclic number.

It is not a de Polignac number, because 107540981 - 2² = 107540977 is a prime.

It is a super-2 number, since 2×107540981² = 23130125188884722, 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 (107540911) 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, 1453220 + ... + 1453293.

It is an arithmetic number, because the mean of its divisors is an integer number (27611883).

Almost surely, 2^107540981 is an apocalyptic number.

It is an amenable number.

107540981 is a deficient number, since it is larger than the sum of its proper divisors (2906551).

107540981 is an equidigital number, since it uses as much as digits as its factorization.

107540981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906550.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 107540981 is about 10370.1967676607. The cubic root of 107540981 is about 475.5446841267.

The spelling of 107540981 in words is "one hundred seven million, five hundred forty thousand, nine hundred eighty-one".