2115072 has 120 divisors (see below), whose sum is σ = 6702696. Its totient is φ = 663552.

The previous prime is 2115059. The next prime is 2115073. The reversal of 2115072 is 2705112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124408 + ... + 124424.

2^2115072 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 2115072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3351348).

2115072 is an abundant number, since it is smaller than the sum of its proper divisors (4587624).

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

2115072 is an frugal number, since it uses more digits than its factorization.

2115072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50 (or 22 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 2115072 is about 1454.3287111241. The cubic root of 2115072 is about 128.3635497897.

The spelling of 2115072 in words is "two million, one hundred fifteen thousand, seventy-two".