1202161011 has 8 divisors (see below), whose sum is σ = 1603202304. Its totient is φ = 801280200.

The previous prime is 1202160929. The next prime is 1202161039. The reversal of 1202161011 is 1101612021.

It is a happy number.

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

It is not a de Polignac number, because 1202161011 - 2¹⁵ = 1202128243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202166011) 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 7 ways as a sum of consecutive naturals, for example, 21391 + ... + 53496.

It is an arithmetic number, because the mean of its divisors is an integer number (200400288).

Almost surely, 2^1202161011 is an apocalyptic number.

1202161011 is a deficient number, since it is larger than the sum of its proper divisors (401041293).

1202161011 is an equidigital number, since it uses as much as digits as its factorization.

1202161011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80241.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1202161011 is about 34672.1936283241. The cubic root of 1202161011 is about 1063.2960802214.

Adding to 1202161011 its reverse (1101612021), we get a palindrome (2303773032).

The spelling of 1202161011 in words is "one billion, two hundred two million, one hundred sixty-one thousand, eleven".