1425231232 has 32 divisors (see below), whose sum is σ = 2843694720. Its totient is φ = 711519744.

The previous prime is 1425231221. The next prime is 1425231239. The reversal of 1425231232 is 2321325241.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1425231197 and 1425231206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425231239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78433 + ... + 94879.

It is an arithmetic number, because the mean of its divisors is an integer number (88865460).

Almost surely, 2^1425231232 is an apocalyptic number.

It is an amenable number.

1425231232 is a deficient number, since it is larger than the sum of its proper divisors (1418463488).

1425231232 is an equidigital number, since it uses as much as digits as its factorization.

1425231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17138 (or 17126 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 1425231232 is about 37752.2347947774. The cubic root of 1425231232 is about 1125.3694212626.

Adding to 1425231232 its reverse (2321325241), we get a palindrome (3746556473).

The spelling of 1425231232 in words is "one billion, four hundred twenty-five million, two hundred thirty-one thousand, two hundred thirty-two".