1001350121 has 2 divisors, whose sum is σ = 1001350122. Its totient is φ = 1001350120.

The previous prime is 1001350067. The next prime is 1001350139. The reversal of 1001350121 is 1210531001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 899340121 + 102010000 = 29989^2 + 10100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001350121 - 2¹⁴ = 1001333737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001350096 and 1001350105.

It is not a weakly prime, because it can be changed into another prime (1001353121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500675060 + 500675061.

It is an arithmetic number, because the mean of its divisors is an integer number (500675061).

Almost surely, 2^1001350121 is an apocalyptic number.

It is an amenable number.

1001350121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001350121 is an equidigital number, since it uses as much as digits as its factorization.

1001350121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 1001350121 is about 31644.1166885726. The cubic root of 1001350121 is about 1000.4498379488.

Adding to 1001350121 its reverse (1210531001), we get a palindrome (2211881122).

The spelling of 1001350121 in words is "one billion, one million, three hundred fifty thousand, one hundred twenty-one".