120777047 has 4 divisors (see below), whose sum is σ = 121014840. Its totient is φ = 120539256.

The previous prime is 120777043. The next prime is 120777049. The reversal of 120777047 is 740777021.

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

It is a cyclic number.

It is not a de Polignac number, because 120777047 - 2² = 120777043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120776998 and 120777016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120777043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118133 + ... + 119150.

It is an arithmetic number, because the mean of its divisors is an integer number (30253710).

Almost surely, 2^120777047 is an apocalyptic number.

120777047 is a deficient number, since it is larger than the sum of its proper divisors (237793).

120777047 is an equidigital number, since it uses as much as digits as its factorization.

120777047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237792.

The product of its (nonzero) digits is 19208, while the sum is 35.

The square root of 120777047 is about 10989.8611001231. The cubic root of 120777047 is about 494.3047710386.

The spelling of 120777047 in words is "one hundred twenty million, seven hundred seventy-seven thousand, forty-seven".