1061289 has 16 divisors (see below), whose sum is σ = 1641600. Its totient is φ = 676368.

The previous prime is 1061287. The next prime is 1061297. The reversal of 1061289 is 9821601.

It is not a de Polignac number, because 1061289 - 2¹ = 1061287 is a prime.

It is a super-2 number, since 2×1061289² = 2252668683042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1061287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234 + ... + 1475.

It is an arithmetic number, because the mean of its divisors is an integer number (102600).

2^1061289 is an apocalyptic number.

It is an amenable number.

1061289 is a deficient number, since it is larger than the sum of its proper divisors (580311).

1061289 is a wasteful number, since it uses less digits than its factorization.

1061289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1061289 is about 1030.1888176446. The cubic root of 1061289 is about 102.0025950897.

Adding to 1061289 its product of nonzero digits (864), we get a triangular number (1062153 = T₁₄₅₇).

It can be divided in two parts, 10612 and 89, that added together give a palindrome (10701).

The spelling of 1061289 in words is "one million, sixty-one thousand, two hundred eighty-nine".