2115042 has 16 divisors (see below), whose sum is σ = 4452960. Its totient is φ = 667872.

The previous prime is 2115017. The next prime is 2115049. The reversal of 2115042 is 2405112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9163 + ... + 9390.

It is an arithmetic number, because the mean of its divisors is an integer number (278310).

2^2115042 is an apocalyptic number.

2115042 is an abundant number, since it is smaller than the sum of its proper divisors (2337918).

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

2115042 is a wasteful number, since it uses less digits than its factorization.

2115042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18577.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2115042 is about 1454.3183970507. The cubic root of 2115042 is about 128.3629428877.

It can be divided in two parts, 211 and 5042, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 2115042 in words is "two million, one hundred fifteen thousand, forty-two".