3405120001 has 4 divisors (see below), whose sum is σ = 3405252400. Its totient is φ = 3404987604.

The previous prime is 3405119947. The next prime is 3405120023. The reversal of 3405120001 is 1000215043.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3405120001 - 2⁹ = 3405119489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3405126001) 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, 13791 + ... + 83668.

It is an arithmetic number, because the mean of its divisors is an integer number (851313100).

Almost surely, 2^3405120001 is an apocalyptic number.

It is an amenable number.

3405120001 is a deficient number, since it is larger than the sum of its proper divisors (132399).

3405120001 is an equidigital number, since it uses as much as digits as its factorization.

3405120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132398.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 3405120001 is about 58353.4060788229. The cubic root of 3405120001 is about 1504.4490135099.

Adding to 3405120001 its reverse (1000215043), we get a palindrome (4405335044).

The spelling of 3405120001 in words is "three billion, four hundred five million, one hundred twenty thousand, one".