1301121133 has 16 divisors (see below), whose sum is σ = 1435674240. Its totient is φ = 1171566144.

The previous prime is 1301121077. The next prime is 1301121137. The reversal of 1301121133 is 3311211031.

It is a cyclic number.

It is not a de Polignac number, because 1301121133 - 2⁹ = 1301120621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301121137) 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, 833808 + ... + 835366.

It is an arithmetic number, because the mean of its divisors is an integer number (89729640).

Almost surely, 2^1301121133 is an apocalyptic number.

1301121133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1301121133 is a deficient number, since it is larger than the sum of its proper divisors (134553107).

1301121133 is a wasteful number, since it uses less digits than its factorization.

1301121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1301121133 is about 36071.0567214214. The cubic root of 1301121133 is about 1091.7065356248.

Adding to 1301121133 its reverse (3311211031), we get a palindrome (4612332164).

The spelling of 1301121133 in words is "one billion, three hundred one million, one hundred twenty-one thousand, one hundred thirty-three".