1025105 has 8 divisors (see below), whose sum is σ = 1250664. Its totient is φ = 806400.

The previous prime is 1025099. The next prime is 1025111. The reversal of 1025105 is 5015201.

1025105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1025099) and next prime (1025111).

It can be written as a sum of positive squares in 4 ways, for example, as 23104 + 1002001 = 152^2 + 1001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1025105 is a prime.

It is a super-2 number, since 2×1025105² = 2101680522050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376 + ... + 1985.

It is an arithmetic number, because the mean of its divisors is an integer number (156333).

2^1025105 is an apocalyptic number.

It is an amenable number.

1025105 is a deficient number, since it is larger than the sum of its proper divisors (225559).

1025105 is an equidigital number, since it uses as much as digits as its factorization.

1025105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 1025105 is about 1012.4746910417. The cubic root of 1025105 is about 100.8299264989.

It can be divided in two parts, 102 and 5105, that multiplied together give a triangular number (520710 = T₁₀₂₀).

The spelling of 1025105 in words is "one million, twenty-five thousand, one hundred five".