27145122 has 16 divisors (see below), whose sum is σ = 55180992. Its totient is φ = 8899920.

The previous prime is 27145103. The next prime is 27145147. The reversal of 27145122 is 22154172.

It is a junction number, because it is equal to n+sod(n) for n = 27145092 and 27145101.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36718 + ... + 37449.

It is an arithmetic number, because the mean of its divisors is an integer number (3448812).

Almost surely, 2^27145122 is an apocalyptic number.

27145122 is an abundant number, since it is smaller than the sum of its proper divisors (28035870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27145122 is a wasteful number, since it uses less digits than its factorization.

27145122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74233.

The product of its digits is 1120, while the sum is 24.

The square root of 27145122 is about 5210.0980796910. The cubic root of 27145122 is about 300.5365287731.

Adding to 27145122 its reverse (22154172), we get a palindrome (49299294).

The spelling of 27145122 in words is "twenty-seven million, one hundred forty-five thousand, one hundred twenty-two".