1302123112 has 8 divisors (see below), whose sum is σ = 2441480850. Its totient is φ = 651061552.

The previous prime is 1302123077. The next prime is 1302123131. The reversal of 1302123112 is 2113212031.

It can be written as a sum of positive squares in only one way, i.e., 961868196 + 340254916 = 31014^2 + 18446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81382687 + ... + 81382702.

Almost surely, 2^1302123112 is an apocalyptic number.

It is an amenable number.

1302123112 is a deficient number, since it is larger than the sum of its proper divisors (1139357738).

1302123112 is a wasteful number, since it uses less digits than its factorization.

1302123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162765395 (or 162765391 counting only the distinct ones).

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

The square root of 1302123112 is about 36084.9430095158. The cubic root of 1302123112 is about 1091.9867007643.

Adding to 1302123112 its reverse (2113212031), we get a palindrome (3415335143).

The spelling of 1302123112 in words is "one billion, three hundred two million, one hundred twenty-three thousand, one hundred twelve".