120040011 has 48 divisors (see below), whose sum is σ = 215627776. Its totient is φ = 62659008.

The previous prime is 120040003. The next prime is 120040027. The reversal of 120040011 is 110040021.

It is a happy number.

It is not a de Polignac number, because 120040011 - 2³ = 120040003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120039975 and 120040002.

It is not an unprimeable number, because it can be changed into a prime (120040001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83646 + ... + 85068.

Almost surely, 2^120040011 is an apocalyptic number.

120040011 is a deficient number, since it is larger than the sum of its proper divisors (95587765).

120040011 is a wasteful number, since it uses less digits than its factorization.

120040011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 120040011 is about 10956.2772418372. The cubic root of 120040011 is about 493.2972285585.

Adding to 120040011 its reverse (110040021), we get a palindrome (230080032).

The spelling of 120040011 in words is "one hundred twenty million, forty thousand, eleven".