542124421245 has 96 divisors (see below), whose sum is σ = 1072679946624. Its totient is φ = 250918387200.

The previous prime is 542124421169. The next prime is 542124421271.

542124421245 is a `hidden beast` number, since 542 + 1 + 24 + 42 + 12 + 45 = 666.

542124421245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 542124421245 - 2¹⁹ = 542123896957 is a prime.

It is a super-2 number, since 2×542124421245² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 691450 + ... + 1249940.

It is an arithmetic number, because the mean of its divisors is an integer number (11173749444).

Almost surely, 2^542124421245 is an apocalyptic number.

542124421245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542124421245 is a deficient number, since it is larger than the sum of its proper divisors (530555525379).

542124421245 is a wasteful number, since it uses less digits than its factorization.

542124421245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558603 (or 558600 counting only the distinct ones).

The product of its digits is 102400, while the sum is 36.

It can be divided in two parts, 542124 and 421245, that added together give a palindrome (963369).

The spelling of 542124421245 in words is "five hundred forty-two billion, one hundred twenty-four million, four hundred twenty-one thousand, two hundred forty-five".