2499128 has 16 divisors (see below), whose sum is σ = 4813080. Its totient is φ = 1215648.

The previous prime is 2499121. The next prime is 2499137. The reversal of 2499128 is 8219942.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499121) 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, 3926 + ... + 4517.

2^2499128 is an apocalyptic number.

It is an amenable number.

2499128 is a deficient number, since it is larger than the sum of its proper divisors (2313952).

2499128 is a wasteful number, since it uses less digits than its factorization.

2499128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8486 (or 8482 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 2499128 is about 1580.8630554226. The cubic root of 2499128 is about 135.7050991803.

The spelling of 2499128 in words is "two million, four hundred ninety-nine thousand, one hundred twenty-eight".