126542102 has 8 divisors (see below), whose sum is σ = 189864696. Its totient is φ = 63253872.

The previous prime is 126542099. The next prime is 126542107. The reversal of 126542102 is 201245621.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126542107) 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, 4778 + ... + 16610.

It is an arithmetic number, because the mean of its divisors is an integer number (23733087).

Almost surely, 2^126542102 is an apocalyptic number.

126542102 is a deficient number, since it is larger than the sum of its proper divisors (63322594).

126542102 is a wasteful number, since it uses less digits than its factorization.

126542102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17182.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 126542102 is about 11249.0933856911. The cubic root of 126542102 is about 502.0477380886.

Adding to 126542102 its reverse (201245621), we get a palindrome (327787723).

The spelling of 126542102 in words is "one hundred twenty-six million, five hundred forty-two thousand, one hundred two".