2154120241 has 8 divisors (see below), whose sum is σ = 2651225024. Its totient is φ = 1704358800.

The previous prime is 2154120211. The next prime is 2154120251. The reversal of 2154120241 is 1420214512.

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 2154120241 - 2⁵ = 2154120209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2154120211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11835735 + ... + 11835916.

It is an arithmetic number, because the mean of its divisors is an integer number (331403128).

Almost surely, 2^2154120241 is an apocalyptic number.

It is an amenable number.

2154120241 is a deficient number, since it is larger than the sum of its proper divisors (497104783).

2154120241 is a wasteful number, since it uses less digits than its factorization.

2154120241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23671671.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2154120241 is about 46412.5009130083. The cubic root of 2154120241 is about 1291.4868262102.

Adding to 2154120241 its reverse (1420214512), we get a palindrome (3574334753).

The spelling of 2154120241 in words is "two billion, one hundred fifty-four million, one hundred twenty thousand, two hundred forty-one".