120727945 has 8 divisors (see below), whose sum is σ = 156017736. Its totient is φ = 89152896.

The previous prime is 120727939. The next prime is 120727949. The reversal of 120727945 is 549727021.

It can be written as a sum of positive squares in 4 ways, for example, as 891136 + 119836809 = 944^2 + 10947^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120727945 - 2¹⁵ = 120695177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120727949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928612 + ... + 928741.

It is an arithmetic number, because the mean of its divisors is an integer number (19502217).

Almost surely, 2^120727945 is an apocalyptic number.

It is an amenable number.

120727945 is a deficient number, since it is larger than the sum of its proper divisors (35289791).

120727945 is a wasteful number, since it uses less digits than its factorization.

120727945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857371.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 120727945 is about 10987.6269048416. The cubic root of 120727945 is about 494.2377752990.

The spelling of 120727945 in words is "one hundred twenty million, seven hundred twenty-seven thousand, nine hundred forty-five".