1138025 has 18 divisors (see below), whose sum is σ = 1643310. Its totient is φ = 779520.

The previous prime is 1138019. The next prime is 1138057. The reversal of 1138025 is 5208311.

It can be written as a sum of positive squares in 3 ways, for example, as 5929 + 1132096 = 77^2 + 1064^2 .

It is not a de Polignac number, because 1138025 - 2¹⁰ = 1137001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1137988 and 1138006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 761 + ... + 1689.

It is an arithmetic number, because the mean of its divisors is an integer number (91295).

2^1138025 is an apocalyptic number.

It is an amenable number.

1138025 is a deficient number, since it is larger than the sum of its proper divisors (505285).

1138025 is an equidigital number, since it uses as much as digits as its factorization.

1138025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1138025 is about 1066.7825457890. The cubic root of 1138025 is about 104.4040311514.

The spelling of 1138025 in words is "one million, one hundred thirty-eight thousand, twenty-five".