34155121 has 32 divisors (see below), whose sum is σ = 46368000. Its totient is φ = 24295680.

The previous prime is 34155119. The next prime is 34155131. The reversal of 34155121 is 12155143.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 34155121 - 2¹ = 34155119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34155092 and 34155101.

It is not an unprimeable number, because it can be changed into a prime (34155131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149035 + ... + 149263.

It is an arithmetic number, because the mean of its divisors is an integer number (1449000).

Almost surely, 2^34155121 is an apocalyptic number.

It is an amenable number.

34155121 is a deficient number, since it is larger than the sum of its proper divisors (12212879).

34155121 is a wasteful number, since it uses less digits than its factorization.

34155121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409.

The product of its digits is 600, while the sum is 22.

The square root of 34155121 is about 5844.2382737188. The cubic root of 34155121 is about 324.4531110160.

Adding to 34155121 its sum of digits (22), we get a palindrome (34155143).

The spelling of 34155121 in words is "thirty-four million, one hundred fifty-five thousand, one hundred twenty-one".