27122137 has 6 divisors (see below), whose sum is σ = 31550298. Its totient is φ = 23247504.

The previous prime is 27122119. The next prime is 27122141. The reversal of 27122137 is 73122172.

It can be written as a sum of positive squares in only one way, i.e., 26255376 + 866761 = 5124^2 + 931^2 .

It is not a de Polignac number, because 27122137 - 2⁷ = 27122009 is a prime.

It is a super-2 number, since 2×27122137² = 1471220630893538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27123137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276708 + ... + 276805.

It is an arithmetic number, because the mean of its divisors is an integer number (5258383).

Almost surely, 2^27122137 is an apocalyptic number.

It is an amenable number.

27122137 is a deficient number, since it is larger than the sum of its proper divisors (4428161).

27122137 is an equidigital number, since it uses as much as digits as its factorization.

27122137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553527 (or 553520 counting only the distinct ones).

The product of its digits is 1176, while the sum is 25.

The square root of 27122137 is about 5207.8917999513. The cubic root of 27122137 is about 300.4516788720.

The spelling of 27122137 in words is "twenty-seven million, one hundred twenty-two thousand, one hundred thirty-seven".