1025052105 has 48 divisors (see below), whose sum is σ = 2060295552. Its totient is φ = 425990400.

The previous prime is 1025052089. The next prime is 1025052163. The reversal of 1025052105 is 5012505201.

1025052105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1025052105 - 2⁴ = 1025052089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27636 + ... + 53045.

It is an arithmetic number, because the mean of its divisors is an integer number (42922824).

Almost surely, 2^1025052105 is an apocalyptic number.

1025052105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1025052105 is an abundant number, since it is smaller than the sum of its proper divisors (1035243447).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025052105 is a wasteful number, since it uses less digits than its factorization.

1025052105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80718 (or 80707 counting only the distinct ones).

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

The square root of 1025052105 is about 32016.4349202093. The cubic root of 1025052105 is about 1008.2819220803.

Adding to 1025052105 its reverse (5012505201), we get a palindrome (6037557306).

The spelling of 1025052105 in words is "one billion, twenty-five million, fifty-two thousand, one hundred five".