2154241123 has 8 divisors (see below), whose sum is σ = 2167193808. Its totient is φ = 2141319264.

The previous prime is 2154241097. The next prime is 2154241129. The reversal of 2154241123 is 3211424512.

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

It is a cyclic number.

It is not a de Polignac number, because 2154241123 - 2¹³ = 2154232931 is a prime.

It is a super-2 number, since 2×2154241123² = 9281509632048602258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2154241129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140965 + ... + 155497.

It is an arithmetic number, because the mean of its divisors is an integer number (270899226).

Almost surely, 2^2154241123 is an apocalyptic number.

2154241123 is a deficient number, since it is larger than the sum of its proper divisors (12952685).

2154241123 is a wasteful number, since it uses less digits than its factorization.

2154241123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15413.

The product of its digits is 1920, while the sum is 25.

The square root of 2154241123 is about 46413.8031516488. The cubic root of 2154241123 is about 1291.5109837274.

Adding to 2154241123 its reverse (3211424512), we get a palindrome (5365665635).

The spelling of 2154241123 in words is "two billion, one hundred fifty-four million, two hundred forty-one thousand, one hundred twenty-three".