1071625 has 8 divisors (see below), whose sum is σ = 1337544. Its totient is φ = 857200.

The previous prime is 1071601. The next prime is 1071641. The reversal of 1071625 is 5261701.

It can be written as a sum of positive squares in 4 ways, for example, as 95481 + 976144 = 309^2 + 988^2 .

It is not a de Polignac number, because 1071625 - 2¹¹ = 1069577 is a prime.

It is a super-2 number, since 2×1071625² = 2296760281250, 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 = 1071596 and 1071605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4162 + ... + 4411.

It is an arithmetic number, because the mean of its divisors is an integer number (167193).

2^1071625 is an apocalyptic number.

It is an amenable number.

1071625 is a deficient number, since it is larger than the sum of its proper divisors (265919).

1071625 is an frugal number, since it uses more digits than its factorization.

1071625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8588 (or 8578 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1071625 is about 1035.1932186795. The cubic root of 1071625 is about 102.3326637079.

The spelling of 1071625 in words is "one million, seventy-one thousand, six hundred twenty-five".