133124042 has 16 divisors (see below), whose sum is σ = 214591680. Its totient is φ = 61710528.

The previous prime is 133124027. The next prime is 133124071. The reversal of 133124042 is 240421331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26942 + ... + 31497.

It is an arithmetic number, because the mean of its divisors is an integer number (13411980).

Almost surely, 2^133124042 is an apocalyptic number.

133124042 is a deficient number, since it is larger than the sum of its proper divisors (81467638).

133124042 is a wasteful number, since it uses less digits than its factorization.

133124042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58525.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 133124042 is about 11537.9392440765. The cubic root of 133124042 is about 510.6055117416.

Adding to 133124042 its reverse (240421331), we get a palindrome (373545373).

The spelling of 133124042 in words is "one hundred thirty-three million, one hundred twenty-four thousand, forty-two".