1231341425 has 24 divisors (see below), whose sum is σ = 1555436160. Its totient is φ = 966715200.

The previous prime is 1231341407. The next prime is 1231341457. The reversal of 1231341425 is 5241431321.

It is a happy number.

It is not a de Polignac number, because 1231341425 - 2⁶ = 1231341361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1231341394 and 1231341403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1095914 + ... + 1097036.

It is an arithmetic number, because the mean of its divisors is an integer number (64809840).

Almost surely, 2^1231341425 is an apocalyptic number.

It is an amenable number.

1231341425 is a deficient number, since it is larger than the sum of its proper divisors (324094735).

1231341425 is a wasteful number, since it uses less digits than its factorization.

1231341425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1908 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 1231341425 is about 35090.4748471718. The cubic root of 1231341425 is about 1071.8306290229.

Adding to 1231341425 its reverse (5241431321), we get a palindrome (6472772746).

The spelling of 1231341425 in words is "one billion, two hundred thirty-one million, three hundred forty-one thousand, four hundred twenty-five".