1301021113 has 24 divisors (see below), whose sum is σ = 1589818880. Its totient is φ = 1041828480.

The previous prime is 1301021107. The next prime is 1301021131. The reversal of 1301021113 is 3111201031.

It is not a de Polignac number, because 1301021113 - 2⁵ = 1301021081 is a prime.

It is a super-3 number, since 3×1301021113³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1301021093 and 1301021102.

It is not an unprimeable number, because it can be changed into a prime (1301021173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178933 + ... + 186061.

Almost surely, 2^1301021113 is an apocalyptic number.

It is an amenable number.

1301021113 is a deficient number, since it is larger than the sum of its proper divisors (288797767).

1301021113 is an equidigital number, since it uses as much as digits as its factorization.

1301021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7225 (or 7196 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1301021113 is about 36069.6702646420. The cubic root of 1301021113 is about 1091.6785609592.

Adding to 1301021113 its reverse (3111201031), we get a palindrome (4412222144).

The spelling of 1301021113 in words is "one billion, three hundred one million, twenty-one thousand, one hundred thirteen".