105240063 has 8 divisors (see below), whose sum is σ = 140842800. Its totient is φ = 69898688.

The previous prime is 105240061. The next prime is 105240119. The reversal of 105240063 is 360042501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 105240063 - 2¹ = 105240061 is a prime.

It is a super-2 number, since 2×105240063² = 22150941720487938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105240061) 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, 64398 + ... + 66011.

It is an arithmetic number, because the mean of its divisors is an integer number (17605350).

Almost surely, 2^105240063 is an apocalyptic number.

105240063 is a deficient number, since it is larger than the sum of its proper divisors (35602737).

105240063 is a wasteful number, since it uses less digits than its factorization.

105240063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130681.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 105240063 is about 10258.6579531633. The cubic root of 105240063 is about 472.1286620785.

Adding to 105240063 its reverse (360042501), we get a palindrome (465282564).

The spelling of 105240063 in words is "one hundred five million, two hundred forty thousand, sixty-three".