105512372 has 12 divisors (see below), whose sum is σ = 211024800. Its totient is φ = 45219576.

The previous prime is 105512369. The next prime is 105512383. The reversal of 105512372 is 273215501.

105512372 is an admirable number.

It is a super-2 number, since 2×105512372² = 22265721290132768, which 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, 1884122 + ... + 1884177.

It is an arithmetic number, because the mean of its divisors is an integer number (17585400).

Almost surely, 2^105512372 is an apocalyptic number.

It is an amenable number.

105512372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105512372 is a wasteful number, since it uses less digits than its factorization.

105512372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768310 (or 3768308 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 105512372 is about 10271.9215339682. The cubic root of 105512372 is about 472.5355228372.

Adding to 105512372 its reverse (273215501), we get a palindrome (378727873).

The spelling of 105512372 in words is "one hundred five million, five hundred twelve thousand, three hundred seventy-two".