542401129 has 2 divisors, whose sum is σ = 542401130. Its totient is φ = 542401128.

The previous prime is 542401127. The next prime is 542401199. The reversal of 542401129 is 921104245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499433104 + 42968025 = 22348^2 + 6555^2 .

It is a cyclic number.

It is not a de Polignac number, because 542401129 - 2¹ = 542401127 is a prime.

Together with 542401127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 542401097 and 542401106.

It is not a weakly prime, because it can be changed into another prime (542401127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271200564 + 271200565.

It is an arithmetic number, because the mean of its divisors is an integer number (271200565).

Almost surely, 2^542401129 is an apocalyptic number.

It is an amenable number.

542401129 is a deficient number, since it is larger than the sum of its proper divisors (1).

542401129 is an equidigital number, since it uses as much as digits as its factorization.

542401129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 542401129 is about 23289.5068432116. The cubic root of 542401129 is about 815.5304757758.

The spelling of 542401129 in words is "five hundred forty-two million, four hundred one thousand, one hundred twenty-nine".