105420292 has 24 divisors (see below), whose sum is σ = 187492032. Its totient is φ = 51856800.

The previous prime is 105420277. The next prime is 105420311. The reversal of 105420292 is 292024501.

It is a super-2 number, since 2×105420292² = 22226875930730528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102742 + ... + 103762.

It is an arithmetic number, because the mean of its divisors is an integer number (7812168).

Almost surely, 2^105420292 is an apocalyptic number.

It is an amenable number.

105420292 is a deficient number, since it is larger than the sum of its proper divisors (82071740).

105420292 is a wasteful number, since it uses less digits than its factorization.

105420292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 105420292 is about 10267.4384341957. The cubic root of 105420292 is about 472.3980232134.

Adding to 105420292 its reverse (292024501), we get a palindrome (397444793).

The spelling of 105420292 in words is "one hundred five million, four hundred twenty thousand, two hundred ninety-two".