34002121 has 4 divisors (see below), whose sum is σ = 34792912. Its totient is φ = 33211332.

The previous prime is 34002109. The next prime is 34002151. The reversal of 34002121 is 12120043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34002121 - 2¹³ = 33993929 is a prime.

It is a super-2 number, since 2×34002121² = 2312288464997282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34002151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395331 + ... + 395416.

It is an arithmetic number, because the mean of its divisors is an integer number (8698228).

Almost surely, 2^34002121 is an apocalyptic number.

It is an amenable number.

34002121 is a deficient number, since it is larger than the sum of its proper divisors (790791).

34002121 is an equidigital number, since it uses as much as digits as its factorization.

34002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790790.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 34002121 is about 5831.1337662585. The cubic root of 34002121 is about 323.9679164746.

Adding to 34002121 its reverse (12120043), we get a palindrome (46122164).

The spelling of 34002121 in words is "thirty-four million, two thousand, one hundred twenty-one".