120057858742 has 4 divisors (see below), whose sum is σ = 180086788116. Its totient is φ = 60028929370.

The previous prime is 120057858731. The next prime is 120057858763. The reversal of 120057858742 is 247858750021.

It is a happy number.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30014464684 + ... + 30014464687.

It is an arithmetic number, because the mean of its divisors is an integer number (45021697029).

Almost surely, 2^120057858742 is an apocalyptic number.

120057858742 is a deficient number, since it is larger than the sum of its proper divisors (60028929374).

120057858742 is an equidigital number, since it uses as much as digits as its factorization.

120057858742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60028929373.

The product of its (nonzero) digits is 1254400, while the sum is 49.

The spelling of 120057858742 in words is "one hundred twenty billion, fifty-seven million, eight hundred fifty-eight thousand, seven hundred forty-two".