105940172 has 12 divisors (see below), whose sum is σ = 199656576. Its totient is φ = 48895440.

The previous prime is 105940157. The next prime is 105940193. The reversal of 105940172 is 271049501.

It is a super-2 number, since 2×105940172² = 22446640086779168, which contains 22 as substring.

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, 1018604 + ... + 1018707.

It is an arithmetic number, because the mean of its divisors is an integer number (16638048).

Almost surely, 2^105940172 is an apocalyptic number.

It is an amenable number.

105940172 is a deficient number, since it is larger than the sum of its proper divisors (93716404).

105940172 is a wasteful number, since it uses less digits than its factorization.

105940172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037328 (or 2037326 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 105940172 is about 10292.7242263650. The cubic root of 105940172 is about 473.1732935550.

Adding to 105940172 its reverse (271049501), we get a palindrome (376989673).

The spelling of 105940172 in words is "one hundred five million, nine hundred forty thousand, one hundred seventy-two".