2400201121 has 8 divisors (see below), whose sum is σ = 2410815744. Its totient is φ = 2389601760.

The previous prime is 2400201119. The next prime is 2400201143. The reversal of 2400201121 is 1211020042.

It is a happy number.

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 2400201121 - 2¹ = 2400201119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400201421) 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, 403656 + ... + 409558.

It is an arithmetic number, because the mean of its divisors is an integer number (301351968).

Almost surely, 2^2400201121 is an apocalyptic number.

It is an amenable number.

2400201121 is a deficient number, since it is larger than the sum of its proper divisors (10614623).

2400201121 is a wasteful number, since it uses less digits than its factorization.

2400201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2400201121 is about 48991.8474952721. The cubic root of 2400201121 is about 1338.9032982931.

Adding to 2400201121 its reverse (1211020042), we get a palindrome (3611221163).

The spelling of 2400201121 in words is "two billion, four hundred million, two hundred one thousand, one hundred twenty-one".