1020125315444 has 48 divisors (see below), whose sum is σ = 1906291195200. Its totient is φ = 476279629056.

The previous prime is 1020125315437. The next prime is 1020125315477. The reversal of 1020125315444 is 4445135210201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020125315444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1906307 + ... + 2382069.

It is an arithmetic number, because the mean of its divisors is an integer number (39714399900).

Almost surely, 2^{1020125315444} is an apocalyptic number.

It is an amenable number.

1020125315444 is a deficient number, since it is larger than the sum of its proper divisors (886165879756).

1020125315444 is a wasteful number, since it uses less digits than its factorization.

1020125315444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476192 (or 476190 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 1020125315444 in words is "one trillion, twenty billion, one hundred twenty-five million, three hundred fifteen thousand, four hundred forty-four".