34121100 has 108 divisors (see below), whose sum is σ = 107060856. Its totient is φ = 8386560.

The previous prime is 34121099. The next prime is 34121147. The reversal of 34121100 is 112143.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50364 + ... + 51036.

Almost surely, 2^34121100 is an apocalyptic number.

34121100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34121100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53530428).

34121100 is an abundant number, since it is smaller than the sum of its proper divisors (72939756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34121100 is a wasteful number, since it uses less digits than its factorization.

34121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 34121100 is about 5841.3269040519. The cubic root of 34121100 is about 324.3453488810.

Adding to 34121100 its reverse (112143), we get a palindrome (34233243).

The spelling of 34121100 in words is "thirty-four million, one hundred twenty-one thousand, one hundred".