2402040121 has 16 divisors (see below), whose sum is σ = 2737324800. Its totient is φ = 2090975040.

The previous prime is 2402040119. The next prime is 2402040187. The reversal of 2402040121 is 1210402042.

2402040121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2402040121 - 2¹ = 2402040119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2402040095 and 2402040104.

It is not an unprimeable number, because it can be changed into a prime (2402046121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35346 + ... + 77803.

It is an arithmetic number, because the mean of its divisors is an integer number (171082800).

Almost surely, 2^2402040121 is an apocalyptic number.

It is an amenable number.

2402040121 is a deficient number, since it is larger than the sum of its proper divisors (335284679).

2402040121 is a wasteful number, since it uses less digits than its factorization.

2402040121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113256.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2402040121 is about 49010.6123303923. The cubic root of 2402040121 is about 1339.2451605599.

Adding to 2402040121 its reverse (1210402042), we get a palindrome (3612442163).

The spelling of 2402040121 in words is "two billion, four hundred two million, forty thousand, one hundred twenty-one".