1300040121 has 8 divisors (see below), whose sum is σ = 1739304000. Its totient is φ = 863734832.

The previous prime is 1300040081. The next prime is 1300040129. The reversal of 1300040121 is 1210400031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1300040121 - 2¹⁵ = 1300007353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300040097 and 1300040106.

It is not an unprimeable number, because it can be changed into a prime (1300040129) 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, 738621 + ... + 740378.

It is an arithmetic number, because the mean of its divisors is an integer number (217413000).

Almost surely, 2^1300040121 is an apocalyptic number.

It is an amenable number.

1300040121 is a deficient number, since it is larger than the sum of its proper divisors (439263879).

1300040121 is a wasteful number, since it uses less digits than its factorization.

1300040121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479295.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1300040121 is about 36056.0691285115. The cubic root of 1300040121 is about 1091.4041105799.

Adding to 1300040121 its reverse (1210400031), we get a palindrome (2510440152).

The spelling of 1300040121 in words is "one billion, three hundred million, forty thousand, one hundred twenty-one".