612061042 has 4 divisors (see below), whose sum is σ = 918091566. Its totient is φ = 306030520.

The previous prime is 612061019. The next prime is 612061049. The reversal of 612061042 is 240160216.

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., 576432081 + 35628961 = 24009^2 + 5969^2 .

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 not an unprimeable number, because it can be changed into a prime (612061049) by changing a digit.

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 as a sum of consecutive naturals, namely, 153015259 + ... + 153015262.

Almost surely, 2^612061042 is an apocalyptic number.

612061042 is a deficient number, since it is larger than the sum of its proper divisors (306030524).

612061042 is a wasteful number, since it uses less digits than its factorization.

612061042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306030523.

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

The square root of 612061042 is about 24739.8674612456. The cubic root of 612061042 is about 849.0467014913.

The spelling of 612061042 in words is "six hundred twelve million, sixty-one thousand, forty-two".