105420293 has 16 divisors (see below), whose sum is σ = 120528000. Its totient is φ = 91270080.

The previous prime is 105420277. The next prime is 105420311. The reversal of 105420293 is 392024501.

It is not a de Polignac number, because 105420293 - 2⁴ = 105420277 is a prime.

It is a super-2 number, since 2×105420293² = 22226876352411698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105420223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67283 + ... + 68831.

It is an arithmetic number, because the mean of its divisors is an integer number (7533000).

Almost surely, 2^105420293 is an apocalyptic number.

It is an amenable number.

105420293 is a deficient number, since it is larger than the sum of its proper divisors (15107707).

105420293 is a wasteful number, since it uses less digits than its factorization.

105420293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 105420293 is about 10267.4384828934. The cubic root of 105420293 is about 472.3980247071.

Adding to 105420293 its reverse (392024501), we get a palindrome (497444794).

The spelling of 105420293 in words is "one hundred five million, four hundred twenty thousand, two hundred ninety-three".