893407121 has 2 divisors, whose sum is σ = 893407122. Its totient is φ = 893407120.

The previous prime is 893407091. The next prime is 893407133. The reversal of 893407121 is 121704398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 886848400 + 6558721 = 29780^2 + 2561^2 .

It is a cyclic number.

It is not a de Polignac number, because 893407121 - 2⁶ = 893407057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (893407181) 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 as a sum of consecutive naturals, namely, 446703560 + 446703561.

It is an arithmetic number, because the mean of its divisors is an integer number (446703561).

Almost surely, 2^893407121 is an apocalyptic number.

It is an amenable number.

893407121 is a deficient number, since it is larger than the sum of its proper divisors (1).

893407121 is an equidigital number, since it uses as much as digits as its factorization.

893407121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 893407121 is about 29889.9167111586. The cubic root of 893407121 is about 963.1260656346.

The spelling of 893407121 in words is "eight hundred ninety-three million, four hundred seven thousand, one hundred twenty-one".