1201123053425 has 48 divisors (see below), whose sum is σ = 1545568041600. Its totient is φ = 924868492800.

The previous prime is 1201123053421. The next prime is 1201123053433. The reversal of 1201123053425 is 5243503211021.

It is not a de Polignac number, because 1201123053425 - 2² = 1201123053421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1201123053421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 398910170 + ... + 398913180.

It is an arithmetic number, because the mean of its divisors is an integer number (32199334200).

Almost surely, 2^{1201123053425} is an apocalyptic number.

It is an amenable number.

1201123053425 is a deficient number, since it is larger than the sum of its proper divisors (344444988175).

1201123053425 is a wasteful number, since it uses less digits than its factorization.

1201123053425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586 (or 4581 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 1201123053425 its reverse (5243503211021), we get a palindrome (6444626264446).

The spelling of 1201123053425 in words is "one trillion, two hundred one billion, one hundred twenty-three million, fifty-three thousand, four hundred twenty-five".