1425132231 has 8 divisors (see below), whose sum is σ = 1905062640. Its totient is φ = 947644992.

The previous prime is 1425132229. The next prime is 1425132263. The reversal of 1425132231 is 1322315241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1425132231 - 2¹ = 1425132229 is a prime.

It is a super-3 number, since 3×1425132231³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425132281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609430 + ... + 611763.

It is an arithmetic number, because the mean of its divisors is an integer number (238132830).

Almost surely, 2^1425132231 is an apocalyptic number.

1425132231 is a deficient number, since it is larger than the sum of its proper divisors (479930409).

1425132231 is a wasteful number, since it uses less digits than its factorization.

1425132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221585.

The product of its digits is 1440, while the sum is 24.

The square root of 1425132231 is about 37750.9235781060. The cubic root of 1425132231 is about 1125.3433634376.

Adding to 1425132231 its reverse (1322315241), we get a palindrome (2747447472).

The spelling of 1425132231 in words is "one billion, four hundred twenty-five million, one hundred thirty-two thousand, two hundred thirty-one".