2124949 has 8 divisors (see below), whose sum is σ = 2263680. Its totient is φ = 1987776.

The previous prime is 2124943. The next prime is 2124953. The reversal of 2124949 is 9494212.

It is a happy number.

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

It is not a de Polignac number, because 2124949 - 2⁷ = 2124821 is a prime.

It is an Ulam number.

It is a Duffinian number.

2124949 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2124949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3802 + ... + 4324.

It is an arithmetic number, because the mean of its divisors is an integer number (282960).

2^2124949 is an apocalyptic number.

It is an amenable number.

2124949 is a deficient number, since it is larger than the sum of its proper divisors (138731).

2124949 is a wasteful number, since it uses less digits than its factorization.

2124949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

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

The square root of 2124949 is about 1457.7204807507. The cubic root of 2124949 is about 128.5630510120.

The spelling of 2124949 in words is "two million, one hundred twenty-four thousand, nine hundred forty-nine".