120745747 has 8 divisors (see below), whose sum is σ = 128159712. Its totient is φ = 113366400.

The previous prime is 120745727. The next prime is 120745759. The reversal of 120745747 is 747547021.

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 120745747 - 2¹⁹ = 120221459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120745727) 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, 1279 + ... + 15592.

It is an arithmetic number, because the mean of its divisors is an integer number (16019964).

Almost surely, 2^120745747 is an apocalyptic number.

120745747 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

120745747 is a deficient number, since it is larger than the sum of its proper divisors (7413965).

120745747 is a wasteful number, since it uses less digits than its factorization.

120745747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17309.

The product of its (nonzero) digits is 54880, while the sum is 37.

The square root of 120745747 is about 10988.4369680132. The cubic root of 120745747 is about 494.2620667985.

The spelling of 120745747 in words is "one hundred twenty million, seven hundred forty-five thousand, seven hundred forty-seven".