1021235050025 has 12 divisors (see below), whose sum is σ = 1309998065100. Its totient is φ = 788816038080.

The previous prime is 1021235049977. The next prime is 1021235050027. The reversal of 1021235050025 is 5200505321201.

It can be written as a sum of positive squares in 6 ways, for example, as 8708062489 + 1012526987536 = 93317^2 + 1006244^2 .

It is not a de Polignac number, because 1021235050025 - 2¹⁰ = 1021235049001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021235049976 and 1021235050003.

It is not an unprimeable number, because it can be changed into a prime (1021235050027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 704299310 + ... + 704300759.

It is an arithmetic number, because the mean of its divisors is an integer number (109166505425).

Almost surely, 2^{1021235050025} is an apocalyptic number.

It is an amenable number.

1021235050025 is a deficient number, since it is larger than the sum of its proper divisors (288763015075).

1021235050025 is a wasteful number, since it uses less digits than its factorization.

1021235050025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408600108 (or 1408600103 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 1021235050025 in words is "one trillion, twenty-one billion, two hundred thirty-five million, fifty thousand, twenty-five".