42124454 has 16 divisors (see below), whose sum is σ = 66071808. Its totient is φ = 20104392.

The previous prime is 42124451. The next prime is 42124457. The reversal of 42124454 is 45442124.

It is an interprime number because it is at equal distance from previous prime (42124451) and next prime (42124457).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42124451) 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, 43079 + ... + 44045.

It is an arithmetic number, because the mean of its divisors is an integer number (4129488).

Almost surely, 2^42124454 is an apocalyptic number.

42124454 is a deficient number, since it is larger than the sum of its proper divisors (23947354).

42124454 is a wasteful number, since it uses less digits than its factorization.

42124454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939.

The product of its digits is 5120, while the sum is 26.

The square root of 42124454 is about 6490.3354304689. The cubic root of 42124454 is about 347.9456635559.

Adding to 42124454 its reverse (45442124), we get a palindrome (87566578).

The spelling of 42124454 in words is "forty-two million, one hundred twenty-four thousand, four hundred fifty-four".