101112543 has 24 divisors (see below), whose sum is σ = 173100928. Its totient is φ = 57777624.

The previous prime is 101112541. The next prime is 101112559. The reversal of 101112543 is 345211101.

101112543 is a `hidden beast` number, since 10 + 1 + 112 + 543 = 666.

It is not a de Polignac number, because 101112543 - 2¹ = 101112541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28021 + ... + 31422.

Almost surely, 2^101112543 is an apocalyptic number.

101112543 is a deficient number, since it is larger than the sum of its proper divisors (71988385).

101112543 is an frugal number, since it uses more digits than its factorization.

101112543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59465 (or 59453 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 101112543 is about 10055.4732857285. The cubic root of 101112543 is about 465.8738614307.

Adding to 101112543 its reverse (345211101), we get a palindrome (446323644).

The spelling of 101112543 in words is "one hundred one million, one hundred twelve thousand, five hundred forty-three".