2130842 has 8 divisors (see below), whose sum is σ = 3652896. Its totient is φ = 913212.

The previous prime is 2130809. The next prime is 2130853. The reversal of 2130842 is 2480312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁷ + 1 + 3⁶ + 0 + 8⁵ + 4³ + 2²¹ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76088 + ... + 76115.

It is an arithmetic number, because the mean of its divisors is an integer number (456612).

2^2130842 is an apocalyptic number.

2130842 is a deficient number, since it is larger than the sum of its proper divisors (1522054).

2130842 is a wasteful number, since it uses less digits than its factorization.

2130842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152212.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2130842 is about 1459.7403878772. The cubic root of 2130842 is about 128.6817868468.

The spelling of 2130842 in words is "two million, one hundred thirty thousand, eight hundred forty-two".