104142025 has 27 divisors (see below), whose sum is σ = 140730111. Its totient is φ = 76415040.

The previous prime is 104142011. The next prime is 104142061. The reversal of 104142025 is 520241401.

The square root of 104142025 is 10205.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 103978809 + 163216 = 10197^2 + 404^2 .

It is not a de Polignac number, because 104142025 - 2⁵ = 104141993 is a prime.

It is a super-2 number, since 2×104142025² = 21691122742201250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104141993 and 104142011.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 663247 + ... + 663403.

Almost surely, 2^104142025 is an apocalyptic number.

104142025 is the 10205-th square number.

104142025 is the 5103-rd centered octagonal number.

It is an amenable number.

104142025 is a deficient number, since it is larger than the sum of its proper divisors (36588086).

104142025 is an equidigital number, since it uses as much as digits as its factorization.

104142025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The cubic root of 104142025 is about 470.4809096007.

Adding to 104142025 its reverse (520241401), we get a palindrome (624383426).

It can be divided in two parts, 104 and 142025, that added together give a square (142129 = 377²).

The spelling of 104142025 in words is "one hundred four million, one hundred forty-two thousand, twenty-five".