1300123140 has 48 divisors (see below), whose sum is σ = 3642589440. Its totient is φ = 346485760.

The previous prime is 1300123091. The next prime is 1300123147. The reversal of 1300123140 is 413210031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1300123147) 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, 107605 + ... + 119075.

It is an arithmetic number, because the mean of its divisors is an integer number (75887280).

Almost surely, 2^1300123140 is an apocalyptic number.

1300123140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300123140 is an abundant number, since it is smaller than the sum of its proper divisors (2342466300).

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

1300123140 is a wasteful number, since it uses less digits than its factorization.

1300123140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13372 (or 13370 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1300123140 is about 36057.2203587576. The cubic root of 1300123140 is about 1091.4273420038.

Adding to 1300123140 its reverse (413210031), we get a palindrome (1713333171).

The spelling of 1300123140 in words is "one billion, three hundred million, one hundred twenty-three thousand, one hundred forty".