1427203742225 has 24 divisors (see below), whose sum is σ = 1778086373760. Its totient is φ = 1136378600000.

The previous prime is 1427203742213. The next prime is 1427203742233. The reversal of 1427203742225 is 5222473027241.

It is not a de Polignac number, because 1427203742225 - 2⁶ = 1427203742161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11295650 + ... + 11421300.

It is an arithmetic number, because the mean of its divisors is an integer number (74086932240).

Almost surely, 2^{1427203742225} is an apocalyptic number.

It is an amenable number.

1427203742225 is a deficient number, since it is larger than the sum of its proper divisors (350882631535).

1427203742225 is a wasteful number, since it uses less digits than its factorization.

1427203742225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127801 (or 127796 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 41.

Adding to 1427203742225 its reverse (5222473027241), we get a palindrome (6649676769466).

The spelling of 1427203742225 in words is "one trillion, four hundred twenty-seven billion, two hundred three million, seven hundred forty-two thousand, two hundred twenty-five".