1020125415425 has 12 divisors (see below), whose sum is σ = 1265006822700. Its totient is φ = 816067230720.

The previous prime is 1020125415383. The next prime is 1020125415457. The reversal of 1020125415425 is 5245145210201.

It can be written as a sum of positive squares in 6 ways, for example, as 62600540401 + 957524875024 = 250201^2 + 978532^2 .

It is not a de Polignac number, because 1020125415425 - 2²⁴ = 1020108638209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1020125415391 and 1020125415400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189200 + ... + 1440849.

It is an arithmetic number, because the mean of its divisors is an integer number (105417235225).

Almost surely, 2^{1020125415425} is an apocalyptic number.

It is an amenable number.

1020125415425 is a deficient number, since it is larger than the sum of its proper divisors (244881407275).

1020125415425 is a wasteful number, since it uses less digits than its factorization.

1020125415425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655092 (or 1655087 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 1020125415425 in words is "one trillion, twenty billion, one hundred twenty-five million, four hundred fifteen thousand, four hundred twenty-five".