34121147 has 2 divisors, whose sum is σ = 34121148. Its totient is φ = 34121146.

The previous prime is 34121099. The next prime is 34121161. The reversal of 34121147 is 74112143.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34121147 is a prime.

It is equal to p_2096321 and since 34121147 and 2096321 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (34121947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17060573 + 17060574.

It is an arithmetic number, because the mean of its divisors is an integer number (17060574).

Almost surely, 2^34121147 is an apocalyptic number.

34121147 is a deficient number, since it is larger than the sum of its proper divisors (1).

34121147 is an equidigital number, since it uses as much as digits as its factorization.

34121147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 34121147 is about 5841.3309271090. The cubic root of 34121147 is about 324.3454978038.

It can be divided in two parts, 341 and 21147, that multiplied together give a palindrome (7211127).

The spelling of 34121147 in words is "thirty-four million, one hundred twenty-one thousand, one hundred forty-seven".