1303123104 has 36 divisors (see below), whose sum is σ = 3705757146. Its totient is φ = 434374272.

The previous prime is 1303123097. The next prime is 1303123111. The reversal of 1303123104 is 4013213031.

It is an interprime number because it is at equal distance from previous prime (1303123097) and next prime (1303123111).

It can be written as a sum of positive squares in only one way, i.e., 771728400 + 531394704 = 27780^2 + 23052^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2262079 + ... + 2262654.

Almost surely, 2^1303123104 is an apocalyptic number.

It is an amenable number.

1303123104 is an abundant number, since it is smaller than the sum of its proper divisors (2402634042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303123104 is a wasteful number, since it uses less digits than its factorization.

1303123104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524749 (or 4524738 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1303123104 is about 36098.7964342303. The cubic root of 1303123104 is about 1092.2661670550.

Adding to 1303123104 its reverse (4013213031), we get a palindrome (5316336135).

The spelling of 1303123104 in words is "one billion, three hundred three million, one hundred twenty-three thousand, one hundred four".