2421042 has 16 divisors (see below), whose sum is σ = 5214720. Its totient is φ = 744912.

The previous prime is 2421031. The next prime is 2421043. The reversal of 2421042 is 2401242.

It is a super-2 number, since 2×2421042² = 11722888731528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2421043) 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, 15442 + ... + 15597.

It is an arithmetic number, because the mean of its divisors is an integer number (325920).

2^2421042 is an apocalyptic number.

2421042 is an abundant number, since it is smaller than the sum of its proper divisors (2793678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2421042 is a wasteful number, since it uses less digits than its factorization.

2421042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31057.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2421042 is about 1555.9697940513. The cubic root of 2421042 is about 134.2767355871.

Adding to 2421042 its reverse (2401242), we get a palindrome (4822284).

The spelling of 2421042 in words is "two million, four hundred twenty-one thousand, forty-two".