2126238118 has 4 divisors (see below), whose sum is σ = 3189357180. Its totient is φ = 1063119058.

The previous prime is 2126238083. The next prime is 2126238119. The reversal of 2126238118 is 8118326212.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126238119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531559528 + ... + 531559531.

It is an arithmetic number, because the mean of its divisors is an integer number (797339295).

Almost surely, 2^2126238118 is an apocalyptic number.

2126238118 is a deficient number, since it is larger than the sum of its proper divisors (1063119062).

2126238118 is a wasteful number, since it uses less digits than its factorization.

2126238118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063119061.

The product of its digits is 9216, while the sum is 34.

The square root of 2126238118 is about 46111.1496061419. The cubic root of 2126238118 is about 1285.8904370490.

The spelling of 2126238118 in words is "two billion, one hundred twenty-six million, two hundred thirty-eight thousand, one hundred eighteen".