42122054 has 16 divisors (see below), whose sum is σ = 68500320. Its totient is φ = 19310400.

The previous prime is 42122051. The next prime is 42122063. The reversal of 42122054 is 45022124.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42122051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439 + ... + 9290.

It is an arithmetic number, because the mean of its divisors is an integer number (4281270).

Almost surely, 2^42122054 is an apocalyptic number.

42122054 is a deficient number, since it is larger than the sum of its proper divisors (26378266).

42122054 is a wasteful number, since it uses less digits than its factorization.

42122054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10895.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42122054 is about 6490.1505375453. The cubic root of 42122054 is about 347.9390554745.

Adding to 42122054 its reverse (45022124), we get a palindrome (87144178).

The spelling of 42122054 in words is "forty-two million, one hundred twenty-two thousand, fifty-four".