126542420324 has 12 divisors (see below), whose sum is σ = 223480880700. Its totient is φ = 62690740128.

The previous prime is 126542420317. The next prime is 126542420371. The reversal of 126542420324 is 423024245621.

It can be written as a sum of positive squares in 2 ways, for example, as 59418937600 + 67123482724 = 243760^2 + 259082^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145117019 + ... + 145117890.

It is an arithmetic number, because the mean of its divisors is an integer number (18623406725).

Almost surely, 2^126542420324 is an apocalyptic number.

It is an amenable number.

126542420324 is a deficient number, since it is larger than the sum of its proper divisors (96938460376).

126542420324 is a wasteful number, since it uses less digits than its factorization.

126542420324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290235022 (or 290235020 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 126542420324 its reverse (423024245621), we get a palindrome (549566665945).

The spelling of 126542420324 in words is "one hundred twenty-six billion, five hundred forty-two million, four hundred twenty thousand, three hundred twenty-four".