2421128 has 16 divisors (see below), whose sum is σ = 4577280. Its totient is φ = 1200528.

The previous prime is 2421119. The next prime is 2421137. The reversal of 2421128 is 8211242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2421119) and next prime (2421137).

It is a nude number because it is divisible by every one of its digits.

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, 176 + ... + 2207.

It is an arithmetic number, because the mean of its divisors is an integer number (286080).

2^2421128 is an apocalyptic number.

It is an amenable number.

2421128 is a deficient number, since it is larger than the sum of its proper divisors (2156152).

2421128 is a wasteful number, since it uses less digits than its factorization.

2421128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516 (or 2512 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

The square root of 2421128 is about 1555.9974293038. The cubic root of 2421128 is about 134.2783254897.

The spelling of 2421128 in words is "two million, four hundred twenty-one thousand, one hundred twenty-eight".