542122126 has 32 divisors (see below), whose sum is σ = 1002032640. Its totient is φ = 214210656.

The previous prime is 542122123. The next prime is 542122153. The reversal of 542122126 is 621221245.

It is a self number, because there is not a number n which added to its sum of digits gives 542122126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542122123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247705 + ... + 249883.

It is an arithmetic number, because the mean of its divisors is an integer number (31313520).

Almost surely, 2^542122126 is an apocalyptic number.

542122126 is a deficient number, since it is larger than the sum of its proper divisors (459910514).

542122126 is a wasteful number, since it uses less digits than its factorization.

542122126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568.

The product of its digits is 1920, while the sum is 25.

The square root of 542122126 is about 23283.5161863495. The cubic root of 542122126 is about 815.3906195809.

The spelling of 542122126 in words is "five hundred forty-two million, one hundred twenty-two thousand, one hundred twenty-six".