3401420121 has 40 divisors (see below), whose sum is σ = 5734238400. Its totient is φ = 1990366560.

The previous prime is 3401420117. The next prime is 3401420131. The reversal of 3401420121 is 1210241043.

It is not a de Polignac number, because 3401420121 - 2² = 3401420117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3401420094 and 3401420103.

It is not an unprimeable number, because it can be changed into a prime (3401420131) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39981 + ... + 91658.

It is an arithmetic number, because the mean of its divisors is an integer number (143355960).

Almost surely, 2^3401420121 is an apocalyptic number.

It is an amenable number.

3401420121 is a deficient number, since it is larger than the sum of its proper divisors (2332818279).

3401420121 is a wasteful number, since it uses less digits than its factorization.

3401420121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131691 (or 131682 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3401420121 is about 58321.6951142540. The cubic root of 3401420121 is about 1503.9039227768.

Adding to 3401420121 its reverse (1210241043), we get a palindrome (4611661164).

The spelling of 3401420121 in words is "three billion, four hundred one million, four hundred twenty thousand, one hundred twenty-one".