2125418 has 8 divisors (see below), whose sum is σ = 3211812. Its totient is φ = 1054816.

The previous prime is 2125411. The next prime is 2125429. The reversal of 2125418 is 8145212.

It can be written as a sum of positive squares in 2 ways, for example, as 2024929 + 100489 = 1423^2 + 317^2 .

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 junction number, because it is equal to n+sod(n) for n = 2125393 and 2125402.

It is not an unprimeable number, because it can be changed into a prime (2125411) 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, 3605 + ... + 4152.

2^2125418 is an apocalyptic number.

2125418 is a deficient number, since it is larger than the sum of its proper divisors (1086394).

2125418 is a wasteful number, since it uses less digits than its factorization.

2125418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896.

The product of its digits is 640, while the sum is 23.

The square root of 2125418 is about 1457.8813394786. The cubic root of 2125418 is about 128.5725087505.

The spelling of 2125418 in words is "two million, one hundred twenty-five thousand, four hundred eighteen".