2125438 has 8 divisors (see below), whose sum is σ = 3643632. Its totient is φ = 910896.

The previous prime is 2125429. The next prime is 2125451. The reversal of 2125438 is 8345212.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

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, 75895 + ... + 75922.

It is an arithmetic number, because the mean of its divisors is an integer number (455454).

2^2125438 is an apocalyptic number.

2125438 is a deficient number, since it is larger than the sum of its proper divisors (1518194).

2125438 is a wasteful number, since it uses less digits than its factorization.

2125438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151826.

The product of its digits is 1920, while the sum is 25.

The square root of 2125438 is about 1457.8881987313. Note that the first 3 decimals coincide. The cubic root of 2125438 is about 128.5729120346.

The spelling of 2125438 in words is "two million, one hundred twenty-five thousand, four hundred thirty-eight".