2125442 has 16 divisors (see below), whose sum is σ = 3683232. Its totient is φ = 909120.

The previous prime is 2125429. The next prime is 2125451. The reversal of 2125442 is 2445212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2468 + ... + 3215.

It is an arithmetic number, because the mean of its divisors is an integer number (230202).

2^2125442 is an apocalyptic number.

2125442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2125442 is a deficient number, since it is larger than the sum of its proper divisors (1557790).

2125442 is a wasteful number, since it uses less digits than its factorization.

2125442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713.

The product of its digits is 640, while the sum is 20.

The square root of 2125442 is about 1457.8895705780. The cubic root of 2125442 is about 128.5729926911.

The spelling of 2125442 in words is "two million, one hundred twenty-five thousand, four hundred forty-two".