240120677 has 2 divisors, whose sum is σ = 240120678. Its totient is φ = 240120676.

The previous prime is 240120649. The next prime is 240120691. The reversal of 240120677 is 776021042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239197156 + 923521 = 15466^2 + 961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240120677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240122677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120060338 + 120060339.

It is an arithmetic number, because the mean of its divisors is an integer number (120060339).

Almost surely, 2^240120677 is an apocalyptic number.

It is an amenable number.

240120677 is a deficient number, since it is larger than the sum of its proper divisors (1).

240120677 is an equidigital number, since it uses as much as digits as its factorization.

240120677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 240120677 is about 15495.8277287791. The cubic root of 240120677 is about 621.5506424871.

The spelling of 240120677 in words is "two hundred forty million, one hundred twenty thousand, six hundred seventy-seven".