2125142 has 8 divisors (see below), whose sum is σ = 3223800. Its totient is φ = 1050544.

The previous prime is 2125111. The next prime is 2125147. The reversal of 2125142 is 2415212.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2125142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5792 + ... + 6147.

It is an arithmetic number, because the mean of its divisors is an integer number (402975).

2^2125142 is an apocalyptic number.

2125142 is a deficient number, since it is larger than the sum of its proper divisors (1098658).

2125142 is a wasteful number, since it uses less digits than its factorization.

2125142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12030.

The product of its digits is 160, while the sum is 17.

The square root of 2125142 is about 1457.7866784959. The cubic root of 2125142 is about 128.5669431710.

The spelling of 2125142 in words is "two million, one hundred twenty-five thousand, one hundred forty-two".