1200220162 has 8 divisors (see below), whose sum is σ = 1906232076. Its totient is φ = 564809472.

The previous prime is 1200220157. The next prime is 1200220163. The reversal of 1200220162 is 2610220021.

It can be written as a sum of positive squares in 2 ways, for example, as 1197090801 + 3129361 = 34599^2 + 1769^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1200220163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17650263 + ... + 17650330.

Almost surely, 2^1200220162 is an apocalyptic number.

1200220162 is a deficient number, since it is larger than the sum of its proper divisors (706011914).

1200220162 is a wasteful number, since it uses less digits than its factorization.

1200220162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35300612.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1200220162 is about 34644.1937703852. The cubic root of 1200220162 is about 1062.7235532741.

Adding to 1200220162 its reverse (2610220021), we get a palindrome (3810440183).

The spelling of 1200220162 in words is "one billion, two hundred million, two hundred twenty thousand, one hundred sixty-two".