2361405121 has 4 divisors (see below), whose sum is σ = 2362826752. Its totient is φ = 2359983492.

The previous prime is 2361405119. The next prime is 2361405173. The reversal of 2361405121 is 1215041632.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2361405121 - 2¹ = 2361405119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2361405421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708321 + ... + 711646.

It is an arithmetic number, because the mean of its divisors is an integer number (590706688).

Almost surely, 2^2361405121 is an apocalyptic number.

It is an amenable number.

2361405121 is a deficient number, since it is larger than the sum of its proper divisors (1421631).

2361405121 is a wasteful number, since it uses less digits than its factorization.

2361405121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421630.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2361405121 is about 48594.2910330010. The cubic root of 2361405121 is about 1331.6502253310.

Adding to 2361405121 its reverse (1215041632), we get a palindrome (3576446753).

The spelling of 2361405121 in words is "two billion, three hundred sixty-one million, four hundred five thousand, one hundred twenty-one".