133047121 has 2 divisors, whose sum is σ = 133047122. Its totient is φ = 133047120.

The previous prime is 133047107. The next prime is 133047149. The reversal of 133047121 is 121740331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130782096 + 2265025 = 11436^2 + 1505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133047121 is a prime.

It is equal to p_7541104 and since 133047121 and 7541104 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 133047092 and 133047101.

It is not a weakly prime, because it can be changed into another prime (133047181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66523560 + 66523561.

It is an arithmetic number, because the mean of its divisors is an integer number (66523561).

Almost surely, 2^133047121 is an apocalyptic number.

It is an amenable number.

133047121 is a deficient number, since it is larger than the sum of its proper divisors (1).

133047121 is an equidigital number, since it uses as much as digits as its factorization.

133047121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 133047121 is about 11534.6053681953. The cubic root of 133047121 is about 510.5071477065.

Adding to 133047121 its reverse (121740331), we get a palindrome (254787452).

The spelling of 133047121 in words is "one hundred thirty-three million, forty-seven thousand, one hundred twenty-one".