3421120403 has 4 divisors (see below), whose sum is σ = 3445732920. Its totient is φ = 3396507888.

The previous prime is 3421120397. The next prime is 3421120453. The reversal of 3421120403 is 3040211243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3421120403 - 2⁴ = 3421120387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3421120453) 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, 12306050 + ... + 12306327.

It is an arithmetic number, because the mean of its divisors is an integer number (861433230).

Almost surely, 2^3421120403 is an apocalyptic number.

3421120403 is a deficient number, since it is larger than the sum of its proper divisors (24612517).

3421120403 is a wasteful number, since it uses less digits than its factorization.

3421120403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24612516.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3421120403 is about 58490.3445279646. The cubic root of 3421120403 is about 1506.8017630240.

Adding to 3421120403 its reverse (3040211243), we get a palindrome (6461331646).

The spelling of 3421120403 in words is "three billion, four hundred twenty-one million, one hundred twenty thousand, four hundred three".