1202044123 has 16 divisors (see below), whose sum is σ = 1419393024. Its totient is φ = 996438240.

The previous prime is 1202044121. The next prime is 1202044141. The reversal of 1202044123 is 3214402021.

It is not a de Polignac number, because 1202044123 - 2¹ = 1202044121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1202044123.

It is not an unprimeable number, because it can be changed into a prime (1202044121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29358 + ... + 57148.

It is an arithmetic number, because the mean of its divisors is an integer number (88712064).

Almost surely, 2^1202044123 is an apocalyptic number.

1202044123 is a deficient number, since it is larger than the sum of its proper divisors (217348901).

1202044123 is a wasteful number, since it uses less digits than its factorization.

1202044123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28002.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1202044123 is about 34670.5079714734. The cubic root of 1202044123 is about 1063.2616171227.

Adding to 1202044123 its reverse (3214402021), we get a palindrome (4416446144).

The spelling of 1202044123 in words is "one billion, two hundred two million, forty-four thousand, one hundred twenty-three".