404019125 has 32 divisors (see below), whose sum is σ = 533385216. Its totient is φ = 305040000.

The previous prime is 404019113. The next prime is 404019137. The reversal of 404019125 is 521910404.

It is an interprime number because it is at equal distance from previous prime (404019113) and next prime (404019137).

It is not a de Polignac number, because 404019125 - 2¹⁰ = 404018101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404019094 and 404019103.

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, 157604 + ... + 160146.

It is an arithmetic number, because the mean of its divisors is an integer number (16668288).

Almost surely, 2^404019125 is an apocalyptic number.

It is an amenable number.

404019125 is a deficient number, since it is larger than the sum of its proper divisors (129366091).

404019125 is a wasteful number, since it uses less digits than its factorization.

404019125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630 (or 2620 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 404019125 is about 20100.2269887681. The cubic root of 404019125 is about 739.2658441987.

Adding to 404019125 its reverse (521910404), we get a palindrome (925929529).

The spelling of 404019125 in words is "four hundred four million, nineteen thousand, one hundred twenty-five".