1020055125 has 16 divisors (see below), whose sum is σ = 1697372352. Its totient is φ = 544029200.

The previous prime is 1020055087. The next prime is 1020055133. The reversal of 1020055125 is 5215500201.

It is not a de Polignac number, because 1020055125 - 2⁸ = 1020054869 is a prime.

It is a Curzon number.

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, 1359699 + ... + 1360448.

It is an arithmetic number, because the mean of its divisors is an integer number (106085772).

Almost surely, 2^1020055125 is an apocalyptic number.

1020055125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1020055125 is a deficient number, since it is larger than the sum of its proper divisors (677317227).

1020055125 is an equidigital number, since it uses as much as digits as its factorization.

1020055125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720165 (or 2720155 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1020055125 is about 31938.3018490339. The cubic root of 1020055125 is about 1006.6408432455.

Adding to 1020055125 its reverse (5215500201), we get a palindrome (6235555326).

The spelling of 1020055125 in words is "one billion, twenty million, fifty-five thousand, one hundred twenty-five".