1040123025 has 30 divisors (see below), whose sum is σ = 1926671142. Its totient is φ = 554731200.

The previous prime is 1040123011. The next prime is 1040123027. The reversal of 1040123025 is 5203210401.

1040123025 is a `hidden beast` number, since 10 + 401 + 230 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 254016 + 1039869009 = 504^2 + 32247^2 .

It is not a de Polignac number, because 1040123025 - 2⁴ = 1040123009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1040122989 and 1040123007.

It is not an unprimeable number, because it can be changed into a prime (1040123027) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 254796 + ... + 258845.

Almost surely, 2^1040123025 is an apocalyptic number.

1040123025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040123025 is a deficient number, since it is larger than the sum of its proper divisors (886548117).

1040123025 is an equidigital number, since it uses as much as digits as its factorization.

1040123025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513663 (or 513649 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1040123025 is about 32250.9383584416. The cubic root of 1040123025 is about 1013.1993522244.

Adding to 1040123025 its reverse (5203210401), we get a palindrome (6243333426).

The spelling of 1040123025 in words is "one billion, forty million, one hundred twenty-three thousand, twenty-five".