4102140 has 48 divisors (see below), whose sum is σ = 13128192. Its totient is φ = 937536.

The previous prime is 4102129. The next prime is 4102141. The reversal of 4102140 is 412014.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4464 + ... + 5303.

It is an arithmetic number, because the mean of its divisors is an integer number (273504).

Almost surely, 2^4102140 is an apocalyptic number.

It is an amenable number.

4102140 is an abundant number, since it is smaller than the sum of its proper divisors (9026052).

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

4102140 is a wasteful number, since it uses less digits than its factorization.

4102140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9786 (or 9784 counting only the distinct ones).

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

The square root of 4102140 is about 2025.3740395295. The cubic root of 4102140 is about 160.0799080020.

Adding to 4102140 its reverse (412014), we get a palindrome (4514154).

The spelling of 4102140 in words is "four million, one hundred two thousand, one hundred forty".