4121400 has 48 divisors (see below), whose sum is σ = 12778200. Its totient is φ = 1098880.

The previous prime is 4121387. The next prime is 4121401. The reversal of 4121400 is 41214.

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 (4121401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2835 + ... + 4034.

Almost surely, 2^4121400 is an apocalyptic number.

4121400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4121400 is an abundant number, since it is smaller than the sum of its proper divisors (8656800).

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

4121400 is a wasteful number, since it uses less digits than its factorization.

4121400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6888 (or 6879 counting only the distinct ones).

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

The square root of 4121400 is about 2030.1231489740. The cubic root of 4121400 is about 160.3300478760.

Adding to 4121400 its reverse (41214), we get a palindrome (4162614).

Multiplying 4121400 by its reverse (41214), we get a square (169859379600 = 412140²).

4121400 divided by its reverse (41214) gives a square (100 = 10²).

The spelling of 4121400 in words is "four million, one hundred twenty-one thousand, four hundred".