542120030 has 16 divisors (see below), whose sum is σ = 977450544. Its totient is φ = 216484800.

The previous prime is 542120023. The next prime is 542120057. The reversal of 542120030 is 30021245.

It is a junction number, because it is equal to n+sod(n) for n = 542119990 and 542120008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39092 + ... + 51111.

It is an arithmetic number, because the mean of its divisors is an integer number (61090659).

Almost surely, 2^542120030 is an apocalyptic number.

542120030 is a deficient number, since it is larger than the sum of its proper divisors (435330514).

542120030 is a wasteful number, since it uses less digits than its factorization.

542120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90811.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 542120030 is about 23283.4711759222. The cubic root of 542120030 is about 815.3895687347.

Adding to 542120030 its reverse (30021245), we get a palindrome (572141275).

The spelling of 542120030 in words is "five hundred forty-two million, one hundred twenty thousand, thirty".