120726549 has 6 divisors (see below), whose sum is σ = 174382806. Its totient is φ = 80484360.

The previous prime is 120726533. The next prime is 120726553. The reversal of 120726549 is 945627021.

It can be written as a sum of positive squares in only one way, i.e., 68062500 + 52664049 = 8250^2 + 7257^2 .

It is not a de Polignac number, because 120726549 - 2⁴ = 120726533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120726559) 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 5 ways as a sum of consecutive naturals, for example, 6707022 + ... + 6707039.

It is an arithmetic number, because the mean of its divisors is an integer number (29063801).

Almost surely, 2^120726549 is an apocalyptic number.

It is an amenable number.

120726549 is a deficient number, since it is larger than the sum of its proper divisors (53656257).

120726549 is a wasteful number, since it uses less digits than its factorization.

120726549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13414067 (or 13414064 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 120726549 is about 10987.5633786568. The cubic root of 120726549 is about 494.2358703034.

The spelling of 120726549 in words is "one hundred twenty million, seven hundred twenty-six thousand, five hundred forty-nine".