120140111 has 12 divisors (see below), whose sum is σ = 150505992. Its totient is φ = 95055408.

The previous prime is 120140099. The next prime is 120140117. The reversal of 120140111 is 111041021.

It is not a de Polignac number, because 120140111 - 2¹⁰ = 120139087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120140092 and 120140101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120140117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93665 + ... + 94938.

It is an arithmetic number, because the mean of its divisors is an integer number (12542166).

Almost surely, 2^120140111 is an apocalyptic number.

120140111 is a deficient number, since it is larger than the sum of its proper divisors (30365881).

120140111 is a wasteful number, since it uses less digits than its factorization.

120140111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188630 (or 188623 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 120140111 is about 10960.8444473955. The cubic root of 120140111 is about 493.4343087786.

Adding to 120140111 its reverse (111041021), we get a palindrome (231181132).

The spelling of 120140111 in words is "one hundred twenty million, one hundred forty thousand, one hundred eleven".