542100112 has 20 divisors (see below), whose sum is σ = 1070137980. Its totient is φ = 265935488.

The previous prime is 542100109. The next prime is 542100113. The reversal of 542100112 is 211001245.

It can be written as a sum of positive squares in 2 ways, for example, as 329640336 + 212459776 = 18156^2 + 14576^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (542100113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318787 + ... + 320482.

It is an arithmetic number, because the mean of its divisors is an integer number (53506899).

Almost surely, 2^542100112 is an apocalyptic number.

It is an amenable number.

542100112 is a deficient number, since it is larger than the sum of its proper divisors (528037868).

542100112 is a wasteful number, since it uses less digits than its factorization.

542100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639330 (or 639324 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 542100112 is about 23283.0434436738. The cubic root of 542100112 is about 815.3795825524.

Adding to 542100112 its reverse (211001245), we get a palindrome (753101357).

The spelling of 542100112 in words is "five hundred forty-two million, one hundred thousand, one hundred twelve".