120742 has 8 divisors (see below), whose sum is σ = 183816. Its totient is φ = 59472.

The previous prime is 120739. The next prime is 120749. The reversal of 120742 is 247021.

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 (120749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268 + ... + 559.

It is an arithmetic number, because the mean of its divisors is an integer number (22977).

2¹²⁰⁷⁴² is an apocalyptic number.

120742 is a deficient number, since it is larger than the sum of its proper divisors (63074).

120742 is an equidigital number, since it uses as much as digits as its factorization.

120742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 120742 is about 347.4794957980. The cubic root of 120742 is about 49.4256954074.

Adding to 120742 its reverse (247021), we get a palindrome (367763).

The spelling of 120742 in words is "one hundred twenty thousand, seven hundred forty-two", and thus it is an iban number.