1202123113 has 8 divisors (see below), whose sum is σ = 1217414016. Its totient is φ = 1186851600.

The previous prime is 1202123063. The next prime is 1202123123. The reversal of 1202123113 is 3113212021.

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

It is a cyclic number.

It is not a de Polignac number, because 1202123113 - 2⁹ = 1202122601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202123123) 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, 151423 + ... + 159163.

It is an arithmetic number, because the mean of its divisors is an integer number (152176752).

Almost surely, 2^1202123113 is an apocalyptic number.

It is an amenable number.

1202123113 is a deficient number, since it is larger than the sum of its proper divisors (15290903).

1202123113 is an equidigital number, since it uses as much as digits as its factorization.

1202123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9695.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1202123113 is about 34671.6471053799. The cubic root of 1202123113 is about 1063.2849066715.

Adding to 1202123113 its reverse (3113212021), we get a palindrome (4315335134).

The spelling of 1202123113 in words is "one billion, two hundred two million, one hundred twenty-three thousand, one hundred thirteen".