42514121 has 8 divisors (see below), whose sum is σ = 45879624. Its totient is φ = 39162240.

The previous prime is 42514099. The next prime is 42514159. The reversal of 42514121 is 12141524.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6574096 + 35940025 = 2564^2 + 5995^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-42514121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42514093 and 42514102.

It is not an unprimeable number, because it can be changed into a prime (42514181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3635 + ... + 9911.

It is an arithmetic number, because the mean of its divisors is an integer number (5734953).

Almost surely, 2^42514121 is an apocalyptic number.

It is an amenable number.

42514121 is a deficient number, since it is larger than the sum of its proper divisors (3365503).

42514121 is a wasteful number, since it uses less digits than its factorization.

42514121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811.

The product of its digits is 320, while the sum is 20.

The square root of 42514121 is about 6520.2853465167. The cubic root of 42514121 is about 349.0152482507.

Adding to 42514121 its reverse (12141524), we get a palindrome (54655645).

The spelling of 42514121 in words is "forty-two million, five hundred fourteen thousand, one hundred twenty-one".