106242172 has 6 divisors (see below), whose sum is σ = 185923808. Its totient is φ = 53121084.

The previous prime is 106242161. The next prime is 106242173. The reversal of 106242172 is 271242601.

It is a super-2 number, since 2×106242172² = 22574798222555168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106242173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13280268 + ... + 13280275.

Almost surely, 2^106242172 is an apocalyptic number.

It is an amenable number.

106242172 is a deficient number, since it is larger than the sum of its proper divisors (79681636).

106242172 is a wasteful number, since it uses less digits than its factorization.

106242172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26560547 (or 26560545 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 106242172 is about 10307.3843432755. The cubic root of 106242172 is about 473.6224865963.

Adding to 106242172 its reverse (271242601), we get a palindrome (377484773).

It can be divided in two parts, 1062 and 42172, that added together give a palindrome (43234).

The spelling of 106242172 in words is "one hundred six million, two hundred forty-two thousand, one hundred seventy-two".