34245121 has 4 divisors (see below), whose sum is σ = 34258500. Its totient is φ = 34231744.

The previous prime is 34245109. The next prime is 34245149. The reversal of 34245121 is 12154243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12154243 = 19 ⋅639697.

It can be written as a sum of positive squares in 2 ways, for example, as 2480625 + 31764496 = 1575^2 + 5636^2 .

It is a cyclic number.

It is not a de Polignac number, because 34245121 - 2¹⁷ = 34114049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34245092 and 34245101.

It is not an unprimeable number, because it can be changed into a prime (34245151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516 + ... + 8413.

It is an arithmetic number, because the mean of its divisors is an integer number (8564625).

Almost surely, 2^34245121 is an apocalyptic number.

It is an amenable number.

34245121 is a deficient number, since it is larger than the sum of its proper divisors (13379).

34245121 is an equidigital number, since it uses as much as digits as its factorization.

34245121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13378.

The product of its digits is 960, while the sum is 22.

The square root of 34245121 is about 5851.9330994125. The cubic root of 34245121 is about 324.7378430293.

Adding to 34245121 its reverse (12154243), we get a palindrome (46399364).

The spelling of 34245121 in words is "thirty-four million, two hundred forty-five thousand, one hundred twenty-one".