107187081 has 4 divisors (see below), whose sum is σ = 142916112. Its totient is φ = 71458052.

The previous prime is 107187077. The next prime is 107187097. The reversal of 107187081 is 180781701.

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: 180781701 = 3 ⋅60260567.

It is a cyclic number.

It is not a de Polignac number, because 107187081 - 2² = 107187077 is a prime.

It is a super-2 number, since 2×107187081² = 22978140666601122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107187001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17864511 + ... + 17864516.

It is an arithmetic number, because the mean of its divisors is an integer number (35729028).

Almost surely, 2^107187081 is an apocalyptic number.

It is an amenable number.

107187081 is a deficient number, since it is larger than the sum of its proper divisors (35729031).

107187081 is an equidigital number, since it uses as much as digits as its factorization.

107187081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35729030.

The product of its (nonzero) digits is 3136, while the sum is 33.

The square root of 107187081 is about 10353.1193849970. The cubic root of 107187081 is about 475.0224639422.

The spelling of 107187081 in words is "one hundred seven million, one hundred eighty-seven thousand, eighty-one".