2150122755 has 32 divisors (see below), whose sum is σ = 3786186240. Its totient is φ = 1033249280.

The previous prime is 2150122729. The next prime is 2150122757. The reversal of 2150122755 is 5572210512.

It is not a de Polignac number, because 2150122755 - 2⁶ = 2150122691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2150122757) 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, 39015 + ... + 76304.

It is an arithmetic number, because the mean of its divisors is an integer number (118318320).

Almost surely, 2^2150122755 is an apocalyptic number.

2150122755 is a deficient number, since it is larger than the sum of its proper divisors (1636063485).

2150122755 is a wasteful number, since it uses less digits than its factorization.

2150122755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115451.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 2150122755 is about 46369.4161597922. The cubic root of 2150122755 is about 1290.6874438224.

The spelling of 2150122755 in words is "two billion, one hundred fifty million, one hundred twenty-two thousand, seven hundred fifty-five".