2124994 has 4 divisors (see below), whose sum is σ = 3187494. Its totient is φ = 1062496.

The previous prime is 2124973. The next prime is 2125001. The reversal of 2124994 is 4994212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2064969 + 60025 = 1437^2 + 245^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531247 + ... + 531250.

2^2124994 is an apocalyptic number.

2124994 is a deficient number, since it is larger than the sum of its proper divisors (1062500).

2124994 is a wasteful number, since it uses less digits than its factorization.

2124994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062499.

The product of its digits is 5184, while the sum is 31.

The square root of 2124994 is about 1457.7359157269. The cubic root of 2124994 is about 128.5639585313.

The spelling of 2124994 in words is "two million, one hundred twenty-four thousand, nine hundred ninety-four".