542224123 has 4 divisors (see below), whose sum is σ = 619684720. Its totient is φ = 464763528.

The previous prime is 542224093. The next prime is 542224153. The reversal of 542224123 is 321422245.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (542224093) and next prime (542224153).

It is a cyclic number.

It is not a de Polignac number, because 542224123 - 2²⁹ = 5353211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542224153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38730288 + ... + 38730301.

It is an arithmetic number, because the mean of its divisors is an integer number (154921180).

Almost surely, 2^542224123 is an apocalyptic number.

542224123 is a deficient number, since it is larger than the sum of its proper divisors (77460597).

542224123 is an equidigital number, since it uses as much as digits as its factorization.

542224123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77460596.

The product of its digits is 3840, while the sum is 25.

The square root of 542224123 is about 23285.7064097270. The cubic root of 542224123 is about 815.4417533124.

Adding to 542224123 its reverse (321422245), we get a palindrome (863646368).

The spelling of 542224123 in words is "five hundred forty-two million, two hundred twenty-four thousand, one hundred twenty-three".