42111054 has 24 divisors (see below), whose sum is σ = 91793520. Its totient is φ = 13951968.

The previous prime is 42111053. The next prime is 42111071. The reversal of 42111054 is 45011124.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42111053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3999 + ... + 10010.

It is an arithmetic number, because the mean of its divisors is an integer number (3824730).

Almost surely, 2^42111054 is an apocalyptic number.

42111054 is an abundant number, since it is smaller than the sum of its proper divisors (49682466).

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

42111054 is a wasteful number, since it uses less digits than its factorization.

42111054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14184 (or 14181 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 42111054 is about 6489.3030442413. The cubic root of 42111054 is about 347.9087652231.

Adding to 42111054 its reverse (45011124), we get a palindrome (87122178).

The spelling of 42111054 in words is "forty-two million, one hundred eleven thousand, fifty-four".