34143121 has 16 divisors (see below), whose sum is σ = 36840960. Its totient is φ = 31570560.

The previous prime is 34143113. The next prime is 34143139. The reversal of 34143121 is 12134143.

It is not a de Polignac number, because 34143121 - 2³ = 34143113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34146121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146421 + ... + 146653.

It is an arithmetic number, because the mean of its divisors is an integer number (2302560).

Almost surely, 2^34143121 is an apocalyptic number.

34143121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

34143121 is a deficient number, since it is larger than the sum of its proper divisors (2697839).

34143121 is a wasteful number, since it uses less digits than its factorization.

34143121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its digits is 288, while the sum is 19.

The square root of 34143121 is about 5843.2115313413. The cubic root of 34143121 is about 324.4151089704.

Adding to 34143121 its reverse (12134143), we get a palindrome (46277264).

The spelling of 34143121 in words is "thirty-four million, one hundred forty-three thousand, one hundred twenty-one".