120261011 has 4 divisors (see below), whose sum is σ = 129511872. Its totient is φ = 111010152.

The previous prime is 120260963. The next prime is 120261017. The reversal of 120261011 is 110162021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110162021 = 263 ⋅418867.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120261011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120261017) 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 3 ways as a sum of consecutive naturals, for example, 4625411 + ... + 4625436.

It is an arithmetic number, because the mean of its divisors is an integer number (32377968).

Almost surely, 2^120261011 is an apocalyptic number.

120261011 is a deficient number, since it is larger than the sum of its proper divisors (9250861).

120261011 is an equidigital number, since it uses as much as digits as its factorization.

120261011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9250860.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 120261011 is about 10966.3581466228. The cubic root of 120261011 is about 493.5997717186.

The spelling of 120261011 in words is "one hundred twenty million, two hundred sixty-one thousand, eleven".