63121450 has 24 divisors (see below), whose sum is σ = 134178912. Its totient is φ = 21641520.

The previous prime is 63121351. The next prime is 63121451. The reversal of 63121450 is 5412136.

It is not an unprimeable number, because it can be changed into a prime (63121451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89824 + ... + 90523.

It is an arithmetic number, because the mean of its divisors is an integer number (5590788).

Almost surely, 2^63121450 is an apocalyptic number.

63121450 is an abundant number, since it is smaller than the sum of its proper divisors (71057462).

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

63121450 is a wasteful number, since it uses less digits than its factorization.

63121450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180366 (or 180361 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 63121450 is about 7944.9008804390. The cubic root of 63121450 is about 398.1612479288.

Adding to 63121450 its reverse (5412136), we get a palindrome (68533586).

The spelling of 63121450 in words is "sixty-three million, one hundred twenty-one thousand, four hundred fifty".