4121040 has 160 divisors (see below), whose sum is σ = 15998976. Its totient is φ = 852480.

The previous prime is 4121017. The next prime is 4121063. The reversal of 4121040 is 401214.

It is an interprime number because it is at equal distance from previous prime (4121017) and next prime (4121063).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18369 + ... + 18591.

Almost surely, 2^4121040 is an apocalyptic number.

4121040 is a gapful number since it is divisible by the number (40) 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 4121040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7999488).

4121040 is an abundant number, since it is smaller than the sum of its proper divisors (11877936).

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

4121040 is a wasteful number, since it uses less digits than its factorization.

4121040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 251 counting only the distinct ones).

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

The square root of 4121040 is about 2030.0344824658. The cubic root of 4121040 is about 160.3253795192.

Adding to 4121040 its reverse (401214), we get a palindrome (4522254).

The spelling of 4121040 in words is "four million, one hundred twenty-one thousand, forty".