42300121 has 4 divisors (see below), whose sum is σ = 42314752. Its totient is φ = 42285492.

The previous prime is 42300107. The next prime is 42300127. The reversal of 42300121 is 12100324.

42300121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42300121 - 2⁷ = 42299993 is a prime.

It is a super-2 number, since 2×42300121² = 3578600473229282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42300127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365 + ... + 9298.

It is an arithmetic number, because the mean of its divisors is an integer number (10578688).

Almost surely, 2^42300121 is an apocalyptic number.

It is an amenable number.

42300121 is a deficient number, since it is larger than the sum of its proper divisors (14631).

42300121 is a wasteful number, since it uses less digits than its factorization.

42300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14630.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 42300121 is about 6503.8543187867. The cubic root of 42300121 is about 348.4286593546.

Adding to 42300121 its reverse (12100324), we get a palindrome (54400445).

The spelling of 42300121 in words is "forty-two million, three hundred thousand, one hundred twenty-one".