1231425442053 has 48 divisors (see below), whose sum is σ = 1965515310720. Its totient is φ = 738962307072.

The previous prime is 1231425441941. The next prime is 1231425442057. The reversal of 1231425442053 is 3502445241321.

It is a happy number.

1231425442053 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 42 + 544 + 20 + 53 = 666.

It is not a de Polignac number, because 1231425442053 - 2⁹ = 1231425441541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1231425441999 and 1231425442017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231425442057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30781818 + ... + 30821796.

It is an arithmetic number, because the mean of its divisors is an integer number (40948235640).

Almost surely, 2^{1231425442053} is an apocalyptic number.

It is an amenable number.

1231425442053 is a deficient number, since it is larger than the sum of its proper divisors (734089868667).

1231425442053 is a wasteful number, since it uses less digits than its factorization.

1231425442053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48778 (or 48775 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 1231425442053 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-five million, four hundred forty-two thousand, fifty-three".