1425312103 has 4 divisors (see below), whose sum is σ = 1434751408. Its totient is φ = 1415872800.

The previous prime is 1425312089. The next prime is 1425312131. The reversal of 1425312103 is 3012135241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3012135241 = 229 ⋅13153429.

It is a cyclic number.

It is not a de Polignac number, because 1425312103 - 2¹³ = 1425303911 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 (1429312103) 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, 4719426 + ... + 4719727.

It is an arithmetic number, because the mean of its divisors is an integer number (358687852).

Almost surely, 2^1425312103 is an apocalyptic number.

1425312103 is a deficient number, since it is larger than the sum of its proper divisors (9439305).

1425312103 is an equidigital number, since it uses as much as digits as its factorization.

1425312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9439304.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1425312103 is about 37753.3058552493. The cubic root of 1425312103 is about 1125.3907062366.

Adding to 1425312103 its reverse (3012135241), we get a palindrome (4437447344).

The spelling of 1425312103 in words is "one billion, four hundred twenty-five million, three hundred twelve thousand, one hundred three".