2124965 has 8 divisors (see below), whose sum is σ = 2573208. Its totient is φ = 1684480.

The previous prime is 2124961. The next prime is 2124973. The reversal of 2124965 is 5694212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2116 + 2122849 = 46^2 + 1457^2 .

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

It is not a de Polignac number, because 2124965 - 2² = 2124961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124961) 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, 1316 + ... + 2445.

It is an arithmetic number, because the mean of its divisors is an integer number (321651).

2^2124965 is an apocalyptic number.

It is an amenable number.

2124965 is a deficient number, since it is larger than the sum of its proper divisors (448243).

2124965 is a wasteful number, since it uses less digits than its factorization.

2124965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879.

The product of its digits is 4320, while the sum is 29.

The square root of 2124965 is about 1457.7259687609. The cubic root of 2124965 is about 128.5633736870.

The spelling of 2124965 in words is "two million, one hundred twenty-four thousand, nine hundred sixty-five".