120749 has 2 divisors, whose sum is σ = 120750. Its totient is φ = 120748.

The previous prime is 120739. The next prime is 120763. The reversal of 120749 is 947021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96100 + 24649 = 310^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 120749 - 2¹⁶ = 55213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60374 + 60375.

It is an arithmetic number, because the mean of its divisors is an integer number (60375).

2¹²⁰⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

120749 is a deficient number, since it is larger than the sum of its proper divisors (1).

120749 is an equidigital number, since it uses as much as digits as its factorization.

120749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 120749 is about 347.4895681887. The cubic root of 120749 is about 49.4266505382.

The spelling of 120749 in words is "one hundred twenty thousand, seven hundred forty-nine".