34154120 has 128 divisors (see below), whose sum is σ = 103299840. Its totient is φ = 9815040.

The previous prime is 34154117. The next prime is 34154129. The reversal of 34154120 is 2145143.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 34154092 and 34154101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34154129) 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, 39614 + ... + 40466.

It is an arithmetic number, because the mean of its divisors is an integer number (807030).

Almost surely, 2^34154120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34154120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51649920).

34154120 is an abundant number, since it is smaller than the sum of its proper divisors (69145720).

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

34154120 is a wasteful number, since it uses less digits than its factorization.

34154120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 34154120 is about 5844.1526331882. The cubic root of 34154120 is about 324.4499413523.

Adding to 34154120 its reverse (2145143), we get a palindrome (36299263).

The spelling of 34154120 in words is "thirty-four million, one hundred fifty-four thousand, one hundred twenty".