2172027 has 32 divisors (see below), whose sum is σ = 3499776. Its totient is φ = 1180800.

The previous prime is 2172007. The next prime is 2172031. The reversal of 2172027 is 7202712.

It is not a de Polignac number, because 2172027 - 2⁶ = 2171963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2171994 and 2172012.

It is not an unprimeable number, because it can be changed into a prime (2172007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26128 + ... + 26210.

It is an arithmetic number, because the mean of its divisors is an integer number (109368).

2^2172027 is an apocalyptic number.

2172027 is a deficient number, since it is larger than the sum of its proper divisors (1327749).

2172027 is a wasteful number, since it uses less digits than its factorization.

2172027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 2172027 is about 1473.7798343036. The cubic root of 2172027 is about 129.5055577188.

Adding to 2172027 its reverse (7202712), we get a palindrome (9374739).

The spelling of 2172027 in words is "two million, one hundred seventy-two thousand, twenty-seven".