120744 has 64 divisors (see below), whose sum is σ = 369600. Its totient is φ = 36288.

The previous prime is 120739. The next prime is 120749. The reversal of 120744 is 447021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120739) and next prime (120749).

It is a super-2 number, since 2×120744² = 29158227072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2787 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (5775).

2¹²⁰⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184800).

120744 is an abundant number, since it is smaller than the sum of its proper divisors (248856).

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

120744 is a wasteful number, since it uses less digits than its factorization.

120744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 120744 is about 347.4823736537. The cubic root of 120744 is about 49.4259683057.

Adding to 120744 its reverse (447021), we get a palindrome (567765).

The spelling of 120744 in words is "one hundred twenty thousand, seven hundred forty-four", and thus it is an iban number.