403204124120 has 128 divisors (see below), whose sum is σ = 1067145062400. Its totient is φ = 134213054976.

The previous prime is 403204124069. The next prime is 403204124137. The reversal of 403204124120 is 21421402304.

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, 4754651 + ... + 4838709.

It is an arithmetic number, because the mean of its divisors is an integer number (8337070800).

Almost surely, 2^403204124120 is an apocalyptic number.

403204124120 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 403204124120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533572531200).

403204124120 is an abundant number, since it is smaller than the sum of its proper divisors (663940938280).

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

403204124120 is a wasteful number, since it uses less digits than its factorization.

403204124120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84577 (or 84573 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 403204124120 its reverse (21421402304), we get a palindrome (424625526424).

The spelling of 403204124120 in words is "four hundred three billion, two hundred four million, one hundred twenty-four thousand, one hundred twenty".