1201160146 has 4 divisors (see below), whose sum is σ = 1801740222. Its totient is φ = 600580072.

The previous prime is 1201160141. The next prime is 1201160167. The reversal of 1201160146 is 6410611021.

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., 680635921 + 520524225 = 26089^2 + 22815^2 .

It is not an unprimeable number, because it can be changed into a prime (1201160141) 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 as a sum of consecutive naturals, namely, 300290035 + ... + 300290038.

Almost surely, 2^1201160146 is an apocalyptic number.

1201160146 is a deficient number, since it is larger than the sum of its proper divisors (600580076).

1201160146 is an equidigital number, since it uses as much as digits as its factorization.

1201160146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600580075.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1201160146 is about 34657.7573711860. The cubic root of 1201160146 is about 1063.0009141836. Note that the first 3 decimals are identical.

Adding to 1201160146 its reverse (6410611021), we get a palindrome (7611771167).

The spelling of 1201160146 in words is "one billion, two hundred one million, one hundred sixty thousand, one hundred forty-six".