1161422070 has 32 divisors (see below), whose sum is σ = 2800638720. Its totient is φ = 308243040.

The previous prime is 1161422069. The next prime is 1161422077. The reversal of 1161422070 is 702241611.

It is a self number, because there is not a number n which added to its sum of digits gives 1161422070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161422077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85410 + ... + 98069.

It is an arithmetic number, because the mean of its divisors is an integer number (87519960).

Almost surely, 2^1161422070 is an apocalyptic number.

1161422070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161422070 is an abundant number, since it is smaller than the sum of its proper divisors (1639216650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161422070 is a wasteful number, since it uses less digits than its factorization.

1161422070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183700.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1161422070 is about 34079.6430439053. The cubic root of 1161422070 is about 1051.1467652365.

Adding to 1161422070 its reverse (702241611), we get a palindrome (1863663681).

The spelling of 1161422070 in words is "one billion, one hundred sixty-one million, four hundred twenty-two thousand, seventy".