120749777 has 2 divisors, whose sum is σ = 120749778. Its totient is φ = 120749776.

The previous prime is 120749773. The next prime is 120749789. The reversal of 120749777 is 777947021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114404416 + 6345361 = 10696^2 + 2519^2 .

It is a cyclic number.

It is not a de Polignac number, because 120749777 - 2² = 120749773 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120749773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60374888 + 60374889.

It is an arithmetic number, because the mean of its divisors is an integer number (60374889).

Almost surely, 2^120749777 is an apocalyptic number.

It is an amenable number.

120749777 is a deficient number, since it is larger than the sum of its proper divisors (1).

120749777 is an equidigital number, since it uses as much as digits as its factorization.

120749777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172872, while the sum is 44.

The square root of 120749777 is about 10988.6203410619. The cubic root of 120749777 is about 494.2675655539.

The spelling of 120749777 in words is "one hundred twenty million, seven hundred forty-nine thousand, seven hundred seventy-seven".