1200163042 has 32 divisors (see below), whose sum is σ = 2075900400. Its totient is φ = 515463168.

The previous prime is 1200163021. The next prime is 1200163049. The reversal of 1200163042 is 2403610021.

It can be written as a sum of positive squares in 8 ways, for example, as 43414921 + 1156748121 = 6589^2 + 34011^2 .

It is not an unprimeable number, because it can be changed into a prime (1200163049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24084 + ... + 54592.

Almost surely, 2^1200163042 is an apocalyptic number.

1200163042 is a deficient number, since it is larger than the sum of its proper divisors (875737358).

1200163042 is a wasteful number, since it uses less digits than its factorization.

1200163042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30630.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1200163042 is about 34643.3693800127. The cubic root of 1200163042 is about 1062.7066942194.

Adding to 1200163042 its reverse (2403610021), we get a palindrome (3603773063).

The spelling of 1200163042 in words is "one billion, two hundred million, one hundred sixty-three thousand, forty-two".