403204124121 has 32 divisors (see below), whose sum is σ = 545412415488. Its totient is φ = 264929797440.

The previous prime is 403204124069. The next prime is 403204124137. The reversal of 403204124121 is 121421402304.

It is not a de Polignac number, because 403204124121 - 2¹⁹ = 403203599833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403204124091 and 403204124100.

It is not an unprimeable number, because it can be changed into a prime (403204126121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152323620 + ... + 152326266.

It is an arithmetic number, because the mean of its divisors is an integer number (17044137984).

Almost surely, 2^403204124121 is an apocalyptic number.

It is an amenable number.

403204124121 is a deficient number, since it is larger than the sum of its proper divisors (142208291367).

403204124121 is a wasteful number, since it uses less digits than its factorization.

403204124121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 403204124121 its reverse (121421402304), we get a palindrome (524625526425).

The spelling of 403204124121 in words is "four hundred three billion, two hundred four million, one hundred twenty-four thousand, one hundred twenty-one".