3420455121 has 48 divisors (see below), whose sum is σ = 5279287104. Its totient is φ = 2211447744.

The previous prime is 3420455113. The next prime is 3420455161. The reversal of 3420455121 is 1215540243.

It is not a de Polignac number, because 3420455121 - 2³ = 3420455113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3420455161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5007646 + ... + 5008328.

It is an arithmetic number, because the mean of its divisors is an integer number (109985148).

Almost surely, 2^3420455121 is an apocalyptic number.

It is an amenable number.

3420455121 is a deficient number, since it is larger than the sum of its proper divisors (1858831983).

3420455121 is an equidigital number, since it uses as much as digits as its factorization.

3420455121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 3420455121 is about 58484.6571418522. The cubic root of 3420455121 is about 1506.7040841977.

Adding to 3420455121 its reverse (1215540243), we get a palindrome (4635995364).

The spelling of 3420455121 in words is "three billion, four hundred twenty million, four hundred fifty-five thousand, one hundred twenty-one".