120751 has 4 divisors (see below), whose sum is σ = 127872. Its totient is φ = 113632.

The previous prime is 120749. The next prime is 120763. The reversal of 120751 is 157021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 157021 = 23 ⋅6827.

It is a cyclic number.

It is not a de Polignac number, because 120751 - 2¹ = 120749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535 + ... + 3568.

It is an arithmetic number, because the mean of its divisors is an integer number (31968).

2¹²⁰⁷⁵¹ is an apocalyptic number.

120751 is a deficient number, since it is larger than the sum of its proper divisors (7121).

120751 is an equidigital number, since it uses as much as digits as its factorization.

120751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 120751 is about 347.4924459611. The cubic root of 120751 is about 49.4269234259.

Adding to 120751 its reverse (157021), we get a palindrome (277772).

The spelling of 120751 in words is "one hundred twenty thousand, seven hundred fifty-one".