120111040 has 168 divisors, whose sum is σ = 346191840. Its totient is φ = 38836224.

The previous prime is 120111029. The next prime is 120111049. The reversal of 120111040 is 40111021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2793259 + ... + 2793301.

Almost surely, 2^120111040 is an apocalyptic number.

120111040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120111040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173095920).

120111040 is an abundant number, since it is smaller than the sum of its proper divisors (226080800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120111040 is an equidigital number, since it uses as much as digits as its factorization.

120111040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 120111040 is about 10959.5182375869. The cubic root of 120111040 is about 493.3945058467.

Adding to 120111040 its reverse (40111021), we get a palindrome (160222061).

The spelling of 120111040 in words is "one hundred twenty million, one hundred eleven thousand, forty".