424400125 has 16 divisors (see below), whose sum is σ = 532194624. Its totient is φ = 337890000.

The previous prime is 424400113. The next prime is 424400159. The reversal of 424400125 is 521004424.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-424400125 is a prime.

It is a super-2 number, since 2×424400125² = 360230932200031250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424400096 and 424400105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18330 + ... + 34420.

It is an arithmetic number, because the mean of its divisors is an integer number (33262164).

Almost surely, 2^424400125 is an apocalyptic number.

It is an amenable number.

424400125 is a deficient number, since it is larger than the sum of its proper divisors (107794499).

424400125 is a wasteful number, since it uses less digits than its factorization.

424400125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16317 (or 16307 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 424400125 is about 20600.9738847463. The cubic root of 424400125 is about 751.4933947595.

Adding to 424400125 its reverse (521004424), we get a palindrome (945404549).

The spelling of 424400125 in words is "four hundred twenty-four million, four hundred thousand, one hundred twenty-five".