120751306 has 16 divisors (see below), whose sum is σ = 206534664. Its totient is φ = 52452864.

The previous prime is 120751303. The next prime is 120751307. The reversal of 120751306 is 603157021.

It can be written as a sum of positive squares in 4 ways, for example, as 111197025 + 9554281 = 10545^2 + 3091^2 .

It is not an unprimeable number, because it can be changed into a prime (120751303) 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, 136155 + ... + 137038.

Almost surely, 2^120751306 is an apocalyptic number.

120751306 is a deficient number, since it is larger than the sum of its proper divisors (85783358).

120751306 is a wasteful number, since it uses less digits than its factorization.

120751306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273225.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 120751306 is about 10988.6899128149. The cubic root of 120751306 is about 494.2696517742.

The spelling of 120751306 in words is "one hundred twenty million, seven hundred fifty-one thousand, three hundred six".