542355122 has 4 divisors (see below), whose sum is σ = 813532686. Its totient is φ = 271177560.

The previous prime is 542355119. The next prime is 542355161. The reversal of 542355122 is 221553245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221553245 = 5 ⋅44310649.

It can be written as a sum of positive squares in only one way, i.e., 537822481 + 4532641 = 23191^2 + 2129^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135588779 + ... + 135588782.

Almost surely, 2^542355122 is an apocalyptic number.

542355122 is a deficient number, since it is larger than the sum of its proper divisors (271177564).

542355122 is a wasteful number, since it uses less digits than its factorization.

542355122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271177563.

The product of its digits is 12000, while the sum is 29.

The square root of 542355122 is about 23288.5191027682. The cubic root of 542355122 is about 815.5074170901.

The spelling of 542355122 in words is "five hundred forty-two million, three hundred fifty-five thousand, one hundred twenty-two".