63121024 has 16 divisors (see below), whose sum is σ = 125749170. Its totient is φ = 31560448.

The previous prime is 63121013. The next prime is 63121027. The reversal of 63121024 is 42012136.

It can be written as a sum of positive squares in only one way, i.e., 38440000 + 24681024 = 6200^2 + 4968^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 63120992 and 63121010.

It is not an unprimeable number, because it can be changed into a prime (63121027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246439 + ... + 246694.

Almost surely, 2^63121024 is an apocalyptic number.

63121024 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

63121024 is a deficient number, since it is larger than the sum of its proper divisors (62628146).

63121024 is an equidigital number, since it uses as much as digits as its factorization.

63121024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493147 (or 493135 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 63121024 is about 7944.8740707452. The cubic root of 63121024 is about 398.1603522107.

The spelling of 63121024 in words is "sixty-three million, one hundred twenty-one thousand, twenty-four".