540423122 has 8 divisors (see below), whose sum is σ = 813561996. Its totient is φ = 269235792.

The previous prime is 540423101. The next prime is 540423127. The reversal of 540423122 is 221324045.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 441798361 + 98624761 = 21019^2 + 9931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (540423127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487193 + ... + 488300.

Almost surely, 2^540423122 is an apocalyptic number.

540423122 is a deficient number, since it is larger than the sum of its proper divisors (273138874).

540423122 is a wasteful number, since it uses less digits than its factorization.

540423122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975772.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 540423122 is about 23247.0024304210. The cubic root of 540423122 is about 814.5379201564.

Adding to 540423122 its reverse (221324045), we get a palindrome (761747167).

The spelling of 540423122 in words is "five hundred forty million, four hundred twenty-three thousand, one hundred twenty-two".