63121142 has 8 divisors (see below), whose sum is σ = 108207696. Its totient is φ = 27051912.

The previous prime is 63121127. The next prime is 63121189. The reversal of 63121142 is 24112136.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254313 + ... + 2254340.

It is an arithmetic number, because the mean of its divisors is an integer number (13525962).

Almost surely, 2^63121142 is an apocalyptic number.

63121142 is a deficient number, since it is larger than the sum of its proper divisors (45086554).

63121142 is a wasteful number, since it uses less digits than its factorization.

63121142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508662.

The product of its digits is 288, while the sum is 20.

The square root of 63121142 is about 7944.8814969136. The cubic root of 63121142 is about 398.1606003208.

Adding to 63121142 its reverse (24112136), we get a palindrome (87233278).

The spelling of 63121142 in words is "sixty-three million, one hundred twenty-one thousand, one hundred forty-two".