4120140 has 24 divisors (see below), whose sum is σ = 11536560. Its totient is φ = 1098688.

The previous prime is 4120133. The next prime is 4120141. The reversal of 4120140 is 410214.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (4120141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34275 + ... + 34394.

It is an arithmetic number, because the mean of its divisors is an integer number (480690).

Almost surely, 2^4120140 is an apocalyptic number.

It is an amenable number.

4120140 is an abundant number, since it is smaller than the sum of its proper divisors (7416420).

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

4120140 is a wasteful number, since it uses less digits than its factorization.

4120140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68681 (or 68679 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 4120140 is about 2029.8127992502. The cubic root of 4120140 is about 160.3137074375.

Adding to 4120140 its reverse (410214), we get a palindrome (4530354).

The spelling of 4120140 in words is "four million, one hundred twenty thousand, one hundred forty".