1425334123 has 4 divisors (see below), whose sum is σ = 1426003240. Its totient is φ = 1424665008.

The previous prime is 1425334121. The next prime is 1425334139. The reversal of 1425334123 is 3214335241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1425334123 - 2¹ = 1425334121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1425334091 and 1425334100.

It is not an unprimeable number, because it can be changed into a prime (1425334121) 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, 331353 + ... + 335626.

It is an arithmetic number, because the mean of its divisors is an integer number (356500810).

Almost surely, 2^1425334123 is an apocalyptic number.

1425334123 is a deficient number, since it is larger than the sum of its proper divisors (669117).

1425334123 is an equidigital number, since it uses as much as digits as its factorization.

1425334123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669116.

The product of its digits is 8640, while the sum is 28.

The square root of 1425334123 is about 37753.5974842133. The cubic root of 1425334123 is about 1125.3965016867.

Adding to 1425334123 its reverse (3214335241), we get a palindrome (4639669364).

The spelling of 1425334123 in words is "one billion, four hundred twenty-five million, three hundred thirty-four thousand, one hundred twenty-three".