2154262126 has 4 divisors (see below), whose sum is σ = 3231393192. Its totient is φ = 1077131062.

The previous prime is 2154262109. The next prime is 2154262147. The reversal of 2154262126 is 6212624512.

2154262126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538565530 + ... + 538565533.

It is an arithmetic number, because the mean of its divisors is an integer number (807848298).

Almost surely, 2^2154262126 is an apocalyptic number.

2154262126 is a deficient number, since it is larger than the sum of its proper divisors (1077131066).

2154262126 is a wasteful number, since it uses less digits than its factorization.

2154262126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077131065.

The product of its digits is 11520, while the sum is 31.

The square root of 2154262126 is about 46414.0294092207. The cubic root of 2154262126 is about 1291.5151809544.

Adding to 2154262126 its reverse (6212624512), we get a palindrome (8366886638).

The spelling of 2154262126 in words is "two billion, one hundred fifty-four million, two hundred sixty-two thousand, one hundred twenty-six".