121126001 has 2 divisors, whose sum is σ = 121126002. Its totient is φ = 121126000.

The previous prime is 121125941. The next prime is 121126091. The reversal of 121126001 is 100621121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119683600 + 1442401 = 10940^2 + 1201^2 .

It is a cyclic number.

It is not a de Polignac number, because 121126001 - 2¹⁰ = 121124977 is a prime.

It is not a weakly prime, because it can be changed into another prime (121126091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60563000 + 60563001.

It is an arithmetic number, because the mean of its divisors is an integer number (60563001).

Almost surely, 2^121126001 is an apocalyptic number.

It is an amenable number.

121126001 is a deficient number, since it is larger than the sum of its proper divisors (1).

121126001 is an equidigital number, since it uses as much as digits as its factorization.

121126001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 121126001 is about 11005.7258279497. The cubic root of 121126001 is about 494.7803685028.

Adding to 121126001 its reverse (100621121), we get a palindrome (221747122).

The spelling of 121126001 in words is "one hundred twenty-one million, one hundred twenty-six thousand, one".