1061291 has 18 divisors (see below), whose sum is σ = 1364580. Its totient is φ = 822360.

The previous prime is 1061287. The next prime is 1061297. The reversal of 1061291 is 1921601.

It is not a de Polignac number, because 1061291 - 2² = 1061287 is a prime.

It is a super-2 number, since 2×1061291² = 2252677173362, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1061297) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5840 + ... + 6018.

It is an arithmetic number, because the mean of its divisors is an integer number (75810).

2^1061291 is an apocalyptic number.

1061291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1061291 is a deficient number, since it is larger than the sum of its proper divisors (303289).

1061291 is a wasteful number, since it uses less digits than its factorization.

1061291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1061291 is about 1030.1897883400. The cubic root of 1061291 is about 102.0026591643.

Adding to 1061291 its reverse (1921601), we get a palindrome (2982892).

The spelling of 1061291 in words is "one million, sixty-one thousand, two hundred ninety-one".