2345105121 has 4 divisors (see below), whose sum is σ = 3126806832. Its totient is φ = 1563403412.

The previous prime is 2345105111. The next prime is 2345105129. The reversal of 2345105121 is 1215015432.

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 2345105121 - 2⁵ = 2345105089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2345105091 and 2345105100.

It is not an unprimeable number, because it can be changed into a prime (2345105129) 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, 390850851 + ... + 390850856.

It is an arithmetic number, because the mean of its divisors is an integer number (781701708).

Almost surely, 2^2345105121 is an apocalyptic number.

It is an amenable number.

2345105121 is a deficient number, since it is larger than the sum of its proper divisors (781701711).

2345105121 is an equidigital number, since it uses as much as digits as its factorization.

2345105121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781701710.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2345105121 is about 48426.2854346686. The cubic root of 2345105121 is about 1328.5791676556.

The spelling of 2345105121 in words is "two billion, three hundred forty-five million, one hundred five thousand, one hundred twenty-one".