94120042 has 4 divisors (see below), whose sum is σ = 141180066. Its totient is φ = 47060020.

The previous prime is 94120021. The next prime is 94120057. The reversal of 94120042 is 24002149.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73770921 + 20349121 = 8589^2 + 4511^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 94119995 and 94120022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23530009 + ... + 23530012.

Almost surely, 2^94120042 is an apocalyptic number.

94120042 is a deficient number, since it is larger than the sum of its proper divisors (47060024).

94120042 is a wasteful number, since it uses less digits than its factorization.

94120042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47060023.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 94120042 is about 9701.5484331111. The cubic root of 94120042 is about 454.8770621449.

The spelling of 94120042 in words is "ninety-four million, one hundred twenty thousand, forty-two".