120587869 has 2 divisors, whose sum is σ = 120587870. Its totient is φ = 120587868.

The previous prime is 120587849. The next prime is 120587881. The reversal of 120587869 is 968785021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77528025 + 43059844 = 8805^2 + 6562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120587869 is a prime.

It is a super-2 number, since 2×120587869² = 29082868299922322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120587849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60293934 + 60293935.

It is an arithmetic number, because the mean of its divisors is an integer number (60293935).

Almost surely, 2^120587869 is an apocalyptic number.

It is an amenable number.

120587869 is a deficient number, since it is larger than the sum of its proper divisors (1).

120587869 is an equidigital number, since it uses as much as digits as its factorization.

120587869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 120587869 is about 10981.2507939670. The cubic root of 120587869 is about 494.0465529514.

The spelling of 120587869 in words is "one hundred twenty million, five hundred eighty-seven thousand, eight hundred sixty-nine".