1122601161 has 8 divisors (see below), whose sum is σ = 1632874464. Its totient is φ = 680364320.

The previous prime is 1122601097. The next prime is 1122601211. The reversal of 1122601161 is 1611062211.

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 1122601161 - 2⁶ = 1122601097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122606161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17009076 + ... + 17009141.

It is an arithmetic number, because the mean of its divisors is an integer number (204109308).

Almost surely, 2^1122601161 is an apocalyptic number.

1122601161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122601161 is a deficient number, since it is larger than the sum of its proper divisors (510273303).

1122601161 is a wasteful number, since it uses less digits than its factorization.

1122601161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34018231.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1122601161 is about 33505.2407990153. The cubic root of 1122601161 is about 1039.3021578991.

Adding to 1122601161 its reverse (1611062211), we get a palindrome (2733663372).

The spelling of 1122601161 in words is "one billion, one hundred twenty-two million, six hundred one thousand, one hundred sixty-one".