1071425 has 12 divisors (see below), whose sum is σ = 1407276. Its totient is φ = 806400.

The previous prime is 1071419. The next prime is 1071439. The reversal of 1071425 is 5241701.

1071425 = 243² + 244² + ... + 259².

1071425 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 6 ways, for example, as 142129 + 929296 = 377^2 + 964^2 .

It is not a de Polignac number, because 1071425 - 2¹² = 1067329 is a prime.

It is a super-2 number, since 2×1071425² = 2295903061250, 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 = 1071397 and 1071406.

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 11 ways as a sum of consecutive naturals, for example, 836 + ... + 1685.

It is an arithmetic number, because the mean of its divisors is an integer number (117273).

2^1071425 is an apocalyptic number.

It is an amenable number.

1071425 is a deficient number, since it is larger than the sum of its proper divisors (335851).

1071425 is a wasteful number, since it uses less digits than its factorization.

1071425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2543 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1071425 is about 1035.0966138482. The cubic root of 1071425 is about 102.3262971132.

The spelling of 1071425 in words is "one million, seventy-one thousand, four hundred twenty-five".