120688501 has 2 divisors, whose sum is σ = 120688502. Its totient is φ = 120688500.

The previous prime is 120688493. The next prime is 120688511. The reversal of 120688501 is 105886021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119377476 + 1311025 = 10926^2 + 1145^2 .

It is an emirp because it is prime and its reverse (105886021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120688501 - 2³ = 120688493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120688511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60344250 + 60344251.

It is an arithmetic number, because the mean of its divisors is an integer number (60344251).

Almost surely, 2^120688501 is an apocalyptic number.

It is an amenable number.

120688501 is a deficient number, since it is larger than the sum of its proper divisors (1).

120688501 is an equidigital number, since it uses as much as digits as its factorization.

120688501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 120688501 is about 10985.8318301347. The cubic root of 120688501 is about 494.1839439669.

The spelling of 120688501 in words is "one hundred twenty million, six hundred eighty-eight thousand, five hundred one".