1124121001 has 2 divisors, whose sum is σ = 1124121002. Its totient is φ = 1124121000.

The previous prime is 1124120981. The next prime is 1124121017. The reversal of 1124121001 is 1001214211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1100646976 + 23474025 = 33176^2 + 4845^2 .

It is an emirp because it is prime and its reverse (1001214211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1124121001 - 2⁵ = 1124120969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1124121071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562060500 + 562060501.

It is an arithmetic number, because the mean of its divisors is an integer number (562060501).

Almost surely, 2^1124121001 is an apocalyptic number.

It is an amenable number.

1124121001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124121001 is an equidigital number, since it uses as much as digits as its factorization.

1124121001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1124121001 is about 33527.9137585386. The cubic root of 1124121001 is about 1039.7709681184.

Adding to 1124121001 its reverse (1001214211), we get a palindrome (2125335212).

The spelling of 1124121001 in words is "one billion, one hundred twenty-four million, one hundred twenty-one thousand, one".