1300142120 has 32 divisors (see below), whose sum is σ = 2943966600. Its totient is φ = 516741888.

The previous prime is 1300142111. The next prime is 1300142143. The reversal of 1300142120 is 212410031.

It can be written as a sum of positive squares in 4 ways, for example, as 1257553444 + 42588676 = 35462^2 + 6526^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1300142095 and 1300142104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97235 + ... + 109794.

Almost surely, 2^1300142120 is an apocalyptic number.

1300142120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300142120 is an abundant number, since it is smaller than the sum of its proper divisors (1643824480).

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

1300142120 is a wasteful number, since it uses less digits than its factorization.

1300142120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207197 (or 207193 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1300142120 is about 36057.4835505752. The cubic root of 1300142120 is about 1091.4326530879.

Adding to 1300142120 its reverse (212410031), we get a palindrome (1512552151).

The spelling of 1300142120 in words is "one billion, three hundred million, one hundred forty-two thousand, one hundred twenty".