542115112 has 32 divisors (see below), whose sum is σ = 1267283520. Its totient is φ = 211213440.

The previous prime is 542115107. The next prime is 542115131. The reversal of 542115112 is 211511245.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439413 + ... + 440644.

It is an arithmetic number, because the mean of its divisors is an integer number (39602610).

Almost surely, 2^542115112 is an apocalyptic number.

It is an amenable number.

542115112 is an abundant number, since it is smaller than the sum of its proper divisors (725168408).

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

542115112 is a wasteful number, since it uses less digits than its factorization.

542115112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880081 (or 880077 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 542115112 is about 23283.3655642822. The cubic root of 542115112 is about 815.3871030458.

Adding to 542115112 its reverse (211511245), we get a palindrome (753626357).

The spelling of 542115112 in words is "five hundred forty-two million, one hundred fifteen thousand, one hundred twelve".