2151027 has 18 divisors (see below), whose sum is σ = 3304548. Its totient is φ = 1348032.

The previous prime is 2151013. The next prime is 2151031. The reversal of 2151027 is 7201512.

It is not a de Polignac number, because 2151027 - 2⁴ = 2151011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2151007) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2188 + ... + 3014.

It is an arithmetic number, because the mean of its divisors is an integer number (183586).

2^2151027 is an apocalyptic number.

2151027 is a deficient number, since it is larger than the sum of its proper divisors (1153521).

2151027 is a wasteful number, since it uses less digits than its factorization.

2151027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 2151027 is about 1466.6379921439. The cubic root of 2151027 is about 129.0868353508.

Adding to 2151027 its reverse (7201512), we get a palindrome (9352539).

The spelling of 2151027 in words is "two million, one hundred fifty-one thousand, twenty-seven".