1300123442 has 8 divisors (see below), whose sum is σ = 1968077100. Its totient is φ = 644097744.

The previous prime is 1300123441. The next prime is 1300123471. The reversal of 1300123442 is 2443210031.

It can be written as a sum of positive squares in 2 ways, for example, as 1284433921 + 15689521 = 35839^2 + 3961^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1300123441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2981717 + ... + 2982152.

Almost surely, 2^1300123442 is an apocalyptic number.

1300123442 is a deficient number, since it is larger than the sum of its proper divisors (667953658).

1300123442 is a wasteful number, since it uses less digits than its factorization.

1300123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5963980.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1300123442 is about 36057.2245465455. The cubic root of 1300123442 is about 1091.4274265114.

Adding to 1300123442 its reverse (2443210031), we get a palindrome (3743333473).

The spelling of 1300123442 in words is "one billion, three hundred million, one hundred twenty-three thousand, four hundred forty-two".