1161058 has 4 divisors (see below), whose sum is σ = 1741590. Its totient is φ = 580528.

The previous prime is 1161047. The next prime is 1161059. The reversal of 1161058 is 8501611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 797449 + 363609 = 893^2 + 603^2 .

It is not an unprimeable number, because it can be changed into a prime (1161059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290263 + ... + 290266.

2^1161058 is an apocalyptic number.

1161058 is a deficient number, since it is larger than the sum of its proper divisors (580532).

1161058 is an equidigital number, since it uses as much as digits as its factorization.

1161058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580531.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 1161058 is about 1077.5240136535. The cubic root of 1161058 is about 105.1036919727.

Adding to 1161058 its reverse (8501611), we get a palindrome (9662669).

It can be divided in two parts, 11610 and 58, that multiplied together give a triangular number (673380 = T₁₁₆₀).

The spelling of 1161058 in words is "one million, one hundred sixty-one thousand, fifty-eight".