107220087 has 12 divisors (see below), whose sum is σ = 166786984. Its totient is φ = 65981520.

The previous prime is 107220079. The next prime is 107220107. The reversal of 107220087 is 780022701.

It is not a de Polignac number, because 107220087 - 2³ = 107220079 is a prime.

It is a super-2 number, since 2×107220087² = 22992294112575138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 107220087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107220067) 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 11 ways as a sum of consecutive naturals, for example, 458089 + ... + 458322.

Almost surely, 2^107220087 is an apocalyptic number.

107220087 is a deficient number, since it is larger than the sum of its proper divisors (59566897).

107220087 is a wasteful number, since it uses less digits than its factorization.

107220087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916430 (or 916427 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 107220087 is about 10354.7132746397. The cubic root of 107220087 is about 475.0712166535.

Adding to 107220087 its reverse (780022701), we get a palindrome (887242788).

The spelling of 107220087 in words is "one hundred seven million, two hundred twenty thousand, eighty-seven".