119742 has 16 divisors (see below), whose sum is σ = 273792. Its totient is φ = 34200.

The previous prime is 119737. The next prime is 119747. The reversal of 119742 is 247911.

Added to its reverse (247911) it gives a triangular number (367653 = T₈₅₇).

It is an interprime number because it is at equal distance from previous prime (119737) and next prime (119747).

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 119742.

It is not an unprimeable number, because it can be changed into a prime (119747) by changing a digit.

119742 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1384 + ... + 1467.

It is an arithmetic number, because the mean of its divisors is an integer number (17112).

2¹¹⁹⁷⁴² is an apocalyptic number.

119742 is an abundant number, since it is smaller than the sum of its proper divisors (154050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

119742 is a wasteful number, since it uses less digits than its factorization.

119742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863.

The product of its digits is 504, while the sum is 24.

The square root of 119742 is about 346.0375702146. The cubic root of 119742 is about 49.2888670831.

Adding to 119742 its reverse (247911), we get a triangular number (367653 = T₈₅₇).

It can be divided in two parts, 119 and 742, that added together give a triangular number (861 = T₄₁).

The spelling of 119742 in words is "one hundred nineteen thousand, seven hundred forty-two".