1302023120 has 20 divisors (see below), whose sum is σ = 3027203940. Its totient is φ = 520809216.

The previous prime is 1302023113. The next prime is 1302023131. The reversal of 1302023120 is 213202031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 786914704 + 515108416 = 28052^2 + 22696^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1302023095 and 1302023104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8137565 + ... + 8137724.

It is an arithmetic number, because the mean of its divisors is an integer number (151360197).

Almost surely, 2^1302023120 is an apocalyptic number.

1302023120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302023120 is an abundant number, since it is smaller than the sum of its proper divisors (1725180820).

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

1302023120 is a wasteful number, since it uses less digits than its factorization.

1302023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16275302 (or 16275296 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1302023120 is about 36083.5574742846. The cubic root of 1302023120 is about 1091.9587482796.

Adding to 1302023120 its reverse (213202031), we get a palindrome (1515225151).

The spelling of 1302023120 in words is "one billion, three hundred two million, twenty-three thousand, one hundred twenty".