113122000 has 80 divisors (see below), whose sum is σ = 276000192. Its totient is φ = 44841600.

The previous prime is 113121979. The next prime is 113122001. The reversal of 113122000 is 221311.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113122001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325827 + ... + 326173.

Almost surely, 2^113122000 is an apocalyptic number.

113122000 is a gapful number since it is divisible by the number (10) 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 113122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138000096).

113122000 is an abundant number, since it is smaller than the sum of its proper divisors (162878192).

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

113122000 is a wasteful number, since it uses less digits than its factorization.

113122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 113122000 is about 10635.8826620079. The cubic root of 113122000 is about 483.6327382608.

Adding to 113122000 its reverse (221311), we get a palindrome (113343311).

The spelling of 113122000 in words is "one hundred thirteen million, one hundred twenty-two thousand".