2154123254 has 8 divisors (see below), whose sum is σ = 3262555920. Its totient is φ = 1066604616.

The previous prime is 2154123241. The next prime is 2154123263. The reversal of 2154123254 is 4523214512.

2154123254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5228249 + ... + 5228660.

It is an arithmetic number, because the mean of its divisors is an integer number (407819490).

Almost surely, 2^2154123254 is an apocalyptic number.

2154123254 is a deficient number, since it is larger than the sum of its proper divisors (1108432666).

2154123254 is a wasteful number, since it uses less digits than its factorization.

2154123254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10457014.

The product of its digits is 9600, while the sum is 29.

The square root of 2154123254 is about 46412.5333719244. The cubic root of 2154123254 is about 1291.4874283505.

Adding to 2154123254 its reverse (4523214512), we get a palindrome (6677337766).

The spelling of 2154123254 in words is "two billion, one hundred fifty-four million, one hundred twenty-three thousand, two hundred fifty-four".