1224435125 has 8 divisors (see below), whose sum is σ = 1528095192. Its totient is φ = 979548000.

The previous prime is 1224435119. The next prime is 1224435131. The reversal of 1224435125 is 5215344221.

It is an interprime number because it is at equal distance from previous prime (1224435119) and next prime (1224435131).

It can be written as a sum of positive squares in 4 ways, for example, as 5098564 + 1219336561 = 2258^2 + 34919^2 .

It is not a de Polignac number, because 1224435125 - 2⁴ = 1224435109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4897616 + ... + 4897865.

It is an arithmetic number, because the mean of its divisors is an integer number (191011899).

Almost surely, 2^1224435125 is an apocalyptic number.

It is an amenable number.

1224435125 is a deficient number, since it is larger than the sum of its proper divisors (303660067).

1224435125 is an frugal number, since it uses more digits than its factorization.

1224435125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9795496 (or 9795486 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 1224435125 is about 34991.9294266549. The cubic root of 1224435125 is about 1069.8229901966.

Adding to 1224435125 its reverse (5215344221), we get a palindrome (6439779346).

The spelling of 1224435125 in words is "one billion, two hundred twenty-four million, four hundred thirty-five thousand, one hundred twenty-five".