120757947 has 4 divisors (see below), whose sum is σ = 161010600. Its totient is φ = 80505296.

The previous prime is 120757933. The next prime is 120757961. The reversal of 120757947 is 749757021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (120757933) and next prime (120757961).

It is a cyclic number.

It is not a de Polignac number, because 120757947 - 2²⁰ = 119709371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120757899 and 120757908.

It is not an unprimeable number, because it can be changed into a prime (120257947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20126322 + ... + 20126327.

It is an arithmetic number, because the mean of its divisors is an integer number (40252650).

Almost surely, 2^120757947 is an apocalyptic number.

120757947 is a deficient number, since it is larger than the sum of its proper divisors (40252653).

120757947 is an equidigital number, since it uses as much as digits as its factorization.

120757947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40252652.

The product of its (nonzero) digits is 123480, while the sum is 42.

The square root of 120757947 is about 10988.9920829892. The cubic root of 120757947 is about 494.2787127792.

The spelling of 120757947 in words is "one hundred twenty million, seven hundred fifty-seven thousand, nine hundred forty-seven".