2151027107 has 4 divisors (see below), whose sum is σ = 2264239080. Its totient is φ = 2037815136.

The previous prime is 2151027103. The next prime is 2151027143. The reversal of 2151027107 is 7017201512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2151027107 - 2² = 2151027103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151027103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56605958 + ... + 56605995.

It is an arithmetic number, because the mean of its divisors is an integer number (566059770).

Almost surely, 2^2151027107 is an apocalyptic number.

2151027107 is a deficient number, since it is larger than the sum of its proper divisors (113211973).

2151027107 is a wasteful number, since it uses less digits than its factorization.

2151027107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113211972.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 2151027107 is about 46379.1667346450. The cubic root of 2151027107 is about 1290.8683749124.

Adding to 2151027107 its reverse (7017201512), we get a palindrome (9168228619).

The spelling of 2151027107 in words is "two billion, one hundred fifty-one million, twenty-seven thousand, one hundred seven".