105420302492 has 12 divisors (see below), whose sum is σ = 187612403160. Its totient is φ = 51816758736.

The previous prime is 105420302479. The next prime is 105420302629. The reversal of 105420302492 is 294203024501.

It is a super-2 number, since 2×105420302492² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223347863 + ... + 223348334.

It is an arithmetic number, because the mean of its divisors is an integer number (15634366930).

Almost surely, 2^105420302492 is an apocalyptic number.

It is an amenable number.

105420302492 is a deficient number, since it is larger than the sum of its proper divisors (82192100668).

105420302492 is a wasteful number, since it uses less digits than its factorization.

105420302492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446696260 (or 446696258 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 105420302492 its reverse (294203024501), we get a palindrome (399623326993).

The spelling of 105420302492 in words is "one hundred five billion, four hundred twenty million, three hundred two thousand, four hundred ninety-two".