1302000123 has 16 divisors (see below), whose sum is σ = 1814282496. Its totient is φ = 828975840.

The previous prime is 1302000109. The next prime is 1302000127. The reversal of 1302000123 is 3210002031.

It is a happy number.

It is not a de Polignac number, because 1302000123 - 2⁴ = 1302000107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302000099 and 1302000108.

It is not an unprimeable number, because it can be changed into a prime (1302000127) 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, 31336 + ... + 59882.

It is an arithmetic number, because the mean of its divisors is an integer number (113392656).

Almost surely, 2^1302000123 is an apocalyptic number.

1302000123 is a deficient number, since it is larger than the sum of its proper divisors (512282373).

1302000123 is a wasteful number, since it uses less digits than its factorization.

1302000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29234.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1302000123 is about 36083.2388097299. The cubic root of 1302000123 is about 1091.9523193299.

Adding to 1302000123 its reverse (3210002031), we get a palindrome (4512002154).

The spelling of 1302000123 in words is "one billion, three hundred two million, one hundred twenty-three", and thus it is an aban number.