1201434025425 has 72 divisors (see below), whose sum is σ = 2085122564448. Its totient is φ = 610357440000.

The previous prime is 1201434025411. The next prime is 1201434025489. The reversal of 1201434025425 is 5245204341021.

It is not a de Polignac number, because 1201434025425 - 2³⁹ = 651678211537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9498850 + ... + 9624500.

Almost surely, 2^{1201434025425} is an apocalyptic number.

1201434025425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1201434025425 is a deficient number, since it is larger than the sum of its proper divisors (883688539023).

1201434025425 is a wasteful number, since it uses less digits than its factorization.

1201434025425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125951 (or 125923 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 1201434025425 its reverse (5245204341021), we get a palindrome (6446638366446).

The spelling of 1201434025425 in words is "one trillion, two hundred one billion, four hundred thirty-four million, twenty-five thousand, four hundred twenty-five".