1061155 has 8 divisors (see below), whose sum is σ = 1289232. Its totient is φ = 838368.

The previous prime is 1061149. The next prime is 1061171. The reversal of 1061155 is 5511601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1061155 - 2¹⁹ = 536867 is a prime.

It is a super-2 number, since 2×1061155² = 2252099868050, which contains 22 as substring.

It is a Duffinian number.

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, 864 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (161154).

2^1061155 is an apocalyptic number.

1061155 is a deficient number, since it is larger than the sum of its proper divisors (228077).

1061155 is an equidigital number, since it uses as much as digits as its factorization.

1061155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1061155 is about 1030.1237789703. The cubic root of 1061155 is about 101.9983019069.

Adding to 1061155 its reverse (5511601), we get a palindrome (6572756).

The spelling of 1061155 in words is "one million, sixty-one thousand, one hundred fifty-five".