1425121332123 has 8 divisors (see below), whose sum is σ = 1944351585088. Its totient is φ = 927985983624.

The previous prime is 1425121332077. The next prime is 1425121332143. The reversal of 1425121332123 is 3212331215241.

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

It is not a de Polignac number, because 1425121332123 - 2⁹ = 1425121331611 is a prime.

It is a super-2 number, since 2×1425121332123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425121332143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5523725965 + ... + 5523726222.

It is an arithmetic number, because the mean of its divisors is an integer number (243043948136).

Almost surely, 2^{1425121332123} is an apocalyptic number.

1425121332123 is a deficient number, since it is larger than the sum of its proper divisors (519230252965).

1425121332123 is a wasteful number, since it uses less digits than its factorization.

1425121332123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11047452233.

The product of its digits is 8640, while the sum is 30.

Adding to 1425121332123 its reverse (3212331215241), we get a palindrome (4637452547364).

The spelling of 1425121332123 in words is "one trillion, four hundred twenty-five billion, one hundred twenty-one million, three hundred thirty-two thousand, one hundred twenty-three".