1425232111 has 6 divisors (see below), whose sum is σ = 1514001200. Its totient is φ = 1341394656.

The previous prime is 1425232103. The next prime is 1425232129. The reversal of 1425232111 is 1112325241.

It is not a de Polignac number, because 1425232111 - 2³ = 1425232103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425232411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2465511 + ... + 2466088.

Almost surely, 2^1425232111 is an apocalyptic number.

1425232111 is a deficient number, since it is larger than the sum of its proper divisors (88769089).

1425232111 is an equidigital number, since it uses as much as digits as its factorization.

1425232111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931633 (or 4931616 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 1425232111 is about 37752.2464364705. The cubic root of 1425232111 is about 1125.3696526167.

Adding to 1425232111 its reverse (1112325241), we get a palindrome (2537557352).

The spelling of 1425232111 in words is "one billion, four hundred twenty-five million, two hundred thirty-two thousand, one hundred eleven".