63150121 has 4 divisors (see below), whose sum is σ = 66864852. Its totient is φ = 59435392.

The previous prime is 63150097. The next prime is 63150161. The reversal of 63150121 is 12105136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35271721 + 27878400 = 5939^2 + 5280^2 .

It is a cyclic number.

It is not a de Polignac number, because 63150121 - 2⁵ = 63150089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63150161) 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, 1857340 + ... + 1857373.

It is an arithmetic number, because the mean of its divisors is an integer number (16716213).

Almost surely, 2^63150121 is an apocalyptic number.

It is an amenable number.

63150121 is a deficient number, since it is larger than the sum of its proper divisors (3714731).

63150121 is a wasteful number, since it uses less digits than its factorization.

63150121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714730.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 63150121 is about 7946.7050404554. The cubic root of 63150121 is about 398.2215230184.

Adding to 63150121 its reverse (12105136), we get a palindrome (75255257).

The spelling of 63150121 in words is "sixty-three million, one hundred fifty thousand, one hundred twenty-one".