542126343 has 12 divisors (see below), whose sum is σ = 794521784. Its totient is φ = 328561200.

The previous prime is 542126317. The next prime is 542126363. The reversal of 542126343 is 343621245.

It is not a de Polignac number, because 542126343 - 2¹⁷ = 541995271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542126343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542126363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 746368 + ... + 747093.

Almost surely, 2^542126343 is an apocalyptic number.

542126343 is a deficient number, since it is larger than the sum of its proper divisors (252395441).

542126343 is a wasteful number, since it uses less digits than its factorization.

542126343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493486 (or 1493475 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 542126343 is about 23283.6067438015. The cubic root of 542126343 is about 815.3927337991.

Adding to 542126343 its reverse (343621245), we get a palindrome (885747588).

The spelling of 542126343 in words is "five hundred forty-two million, one hundred twenty-six thousand, three hundred forty-three".