105021414 has 16 divisors (see below), whose sum is σ = 233381040. Its totient is φ = 35007120.

The previous prime is 105021407. The next prime is 105021419. The reversal of 105021414 is 414120501.

It is a super-2 number, since 2×105021414² = 22058994797118792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105021419) 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, 972367 + ... + 972474.

It is an arithmetic number, because the mean of its divisors is an integer number (14586315).

Almost surely, 2^105021414 is an apocalyptic number.

105021414 is an abundant number, since it is smaller than the sum of its proper divisors (128359626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105021414 is a wasteful number, since it uses less digits than its factorization.

105021414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944852 (or 1944846 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 105021414 is about 10247.9956088984. The cubic root of 105021414 is about 471.8014671846.

Adding to 105021414 its reverse (414120501), we get a palindrome (519141915).

The spelling of 105021414 in words is "one hundred five million, twenty-one thousand, four hundred fourteen".