34512121 has 24 divisors (see below), whose sum is σ = 42418944. Its totient is φ = 27941760.

The previous prime is 34512103. The next prime is 34512143. The reversal of 34512121 is 12121543.

It is not a de Polignac number, because 34512121 - 2⁵ = 34512089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34512161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127216 + ... + 127486.

It is an arithmetic number, because the mean of its divisors is an integer number (1767456).

Almost surely, 2^34512121 is an apocalyptic number.

It is an amenable number.

34512121 is a deficient number, since it is larger than the sum of its proper divisors (7906823).

34512121 is a wasteful number, since it uses less digits than its factorization.

34512121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 414 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 34512121 is about 5874.7017796651. The cubic root of 34512121 is about 325.5796236396.

Adding to 34512121 its reverse (12121543), we get a palindrome (46633664).

The spelling of 34512121 in words is "thirty-four million, five hundred twelve thousand, one hundred twenty-one".