27870122 has 16 divisors (see below), whose sum is σ = 48753600. Its totient is φ = 11944044.

The previous prime is 27870113. The next prime is 27870133. The reversal of 27870122 is 22107872.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19628 + ... + 20999.

It is an arithmetic number, because the mean of its divisors is an integer number (3047100).

Almost surely, 2^27870122 is an apocalyptic number.

27870122 is a deficient number, since it is larger than the sum of its proper divisors (20883478).

27870122 is an equidigital number, since it uses as much as digits as its factorization.

27870122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40650 (or 40636 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 27870122 is about 5279.2160402848. The cubic root of 27870122 is about 303.1886621097.

Adding to 27870122 its reverse (22107872), we get a palindrome (49977994).

The spelling of 27870122 in words is "twenty-seven million, eight hundred seventy thousand, one hundred twenty-two".