24128042 has 4 divisors (see below), whose sum is σ = 36192066. Its totient is φ = 12064020.

The previous prime is 24128021. The next prime is 24128047. The reversal of 24128042 is 24082142.

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., 24019801 + 108241 = 4901^2 + 329^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24127999 and 24128017.

It is not an unprimeable number, because it can be changed into a prime (24128047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6032009 + ... + 6032012.

Almost surely, 2^24128042 is an apocalyptic number.

24128042 is a deficient number, since it is larger than the sum of its proper divisors (12064024).

24128042 is a wasteful number, since it uses less digits than its factorization.

24128042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12064023.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 24128042 is about 4912.0303337826. The cubic root of 24128042 is about 288.9619726229.

The spelling of 24128042 in words is "twenty-four million, one hundred twenty-eight thousand, forty-two".