2115000 has 120 divisors (see below), whose sum is σ = 7310160. Its totient is φ = 552000.

The previous prime is 2114977. The next prime is 2115007. The reversal of 2115000 is 5112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115007) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 44977 + ... + 45023.

It is an arithmetic number, because the mean of its divisors is an integer number (60918).

2^2115000 is an apocalyptic number.

2115000 is a gapful number since it is divisible by the number (20) 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 2115000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3655080).

2115000 is an abundant number, since it is smaller than the sum of its proper divisors (5195160).

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

2115000 is a wasteful number, since it uses less digits than its factorization.

2115000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 2115000 is about 1454.3039572249. The cubic root of 2115000 is about 128.3620932151.

The spelling of 2115000 in words is "two million, one hundred fifteen thousand".