120266501 has 4 divisors (see below), whose sum is σ = 121617900. Its totient is φ = 118915104.

The previous prime is 120266459. The next prime is 120266513. The reversal of 120266501 is 105662021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41589601 + 78676900 = 6449^2 + 8870^2 .

It is a cyclic number.

It is not a de Polignac number, because 120266501 - 2⁶ = 120266437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120266521) 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, 675566 + ... + 675743.

It is an arithmetic number, because the mean of its divisors is an integer number (30404475).

Almost surely, 2^120266501 is an apocalyptic number.

It is an amenable number.

120266501 is a deficient number, since it is larger than the sum of its proper divisors (1351399).

120266501 is an equidigital number, since it uses as much as digits as its factorization.

120266501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351398.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 120266501 is about 10966.6084547594. The cubic root of 120266501 is about 493.6072826636.

The spelling of 120266501 in words is "one hundred twenty million, two hundred sixty-six thousand, five hundred one".