63121242 has 8 divisors (see below), whose sum is σ = 126242496. Its totient is φ = 21040412.

The previous prime is 63121241. The next prime is 63121259. The reversal of 63121242 is 24212136.

It is a sphenic number, since it is the product of 3 distinct primes.

63121242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (63121241) 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, 5260098 + ... + 5260109.

It is an arithmetic number, because the mean of its divisors is an integer number (15780312).

Almost surely, 2^63121242 is an apocalyptic number.

63121242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63121242 is a wasteful number, since it uses less digits than its factorization.

63121242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10520212.

The product of its digits is 576, while the sum is 21.

The square root of 63121242 is about 7944.8877902712. The cubic root of 63121242 is about 398.1608105834.

Adding to 63121242 its reverse (24212136), we get a palindrome (87333378).

The spelling of 63121242 in words is "sixty-three million, one hundred twenty-one thousand, two hundred forty-two".