120266811 has 12 divisors (see below), whose sum is σ = 198535792. Its totient is φ = 68723856.

The previous prime is 120266791. The next prime is 120266821. The reversal of 120266811 is 118662021.

It is not a de Polignac number, because 120266811 - 2⁹ = 120266299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120266821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 954436 + ... + 954561.

Almost surely, 2^120266811 is an apocalyptic number.

120266811 is a deficient number, since it is larger than the sum of its proper divisors (78268981).

120266811 is a wasteful number, since it uses less digits than its factorization.

120266811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909010 (or 1909007 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 120266811 is about 10966.6225885639. The cubic root of 120266811 is about 493.6077067721.

The spelling of 120266811 in words is "one hundred twenty million, two hundred sixty-six thousand, eight hundred eleven".