1300031121 has 8 divisors (see below), whose sum is σ = 1744416064. Its totient is φ = 861166800.

The previous prime is 1300031107. The next prime is 1300031137. The reversal of 1300031121 is 1211300031.

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

It is not a de Polignac number, because 1300031121 - 2¹⁰ = 1300030097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300031097 and 1300031106.

It is not an unprimeable number, because it can be changed into a prime (1300031101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379605 + ... + 1380546.

It is an arithmetic number, because the mean of its divisors is an integer number (218052008).

Almost surely, 2^1300031121 is an apocalyptic number.

It is an amenable number.

1300031121 is a deficient number, since it is larger than the sum of its proper divisors (444384943).

1300031121 is a wasteful number, since it uses less digits than its factorization.

1300031121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760311.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1300031121 is about 36055.9443226772. The cubic root of 1300031121 is about 1091.4015920270.

Adding to 1300031121 its reverse (1211300031), we get a palindrome (2511331152).

It can be divided in two parts, 1300031 and 121, that multiplied together give a palindrome (157303751).

The spelling of 1300031121 in words is "one billion, three hundred million, thirty-one thousand, one hundred twenty-one".