1061575 has 6 divisors (see below), whose sum is σ = 1316384. Its totient is φ = 849240.

The previous prime is 1061573. The next prime is 1061591. The reversal of 1061575 is 5751601.

It is not a de Polignac number, because 1061575 - 2¹ = 1061573 is a prime.

It is a super-2 number, since 2×1061575² = 2253882961250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 42463 = 1061575 / (1 + 0 + 6 + 1 + 5 + 7 + 5).

It is a Duffinian number.

1061575 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21207 + ... + 21256.

2^1061575 is an apocalyptic number.

1061575 is a deficient number, since it is larger than the sum of its proper divisors (254809).

1061575 is an equidigital number, since it uses as much as digits as its factorization.

1061575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42473 (or 42468 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 1061575 is about 1030.3276177993. The cubic root of 1061575 is about 102.0117569429.

It can be divided in two parts, 106 and 1575, that added together give a square (1681 = 41²).

The spelling of 1061575 in words is "one million, sixty-one thousand, five hundred seventy-five".