750121 has 2 divisors, whose sum is σ = 750122. Its totient is φ = 750120.

The previous prime is 750119. The next prime is 750131. The reversal of 750121 is 121057.

750121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 705600 + 44521 = 840^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 750121 - 2¹ = 750119 is a prime.

Together with 750119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 750095 and 750104.

It is not a weakly prime, because it can be changed into another prime (750131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375060 + 375061.

It is an arithmetic number, because the mean of its divisors is an integer number (375061).

2⁷⁵⁰¹²¹ is an apocalyptic number.

It is an amenable number.

750121 is a deficient number, since it is larger than the sum of its proper divisors (1).

750121 is an equidigital number, since it uses as much as digits as its factorization.

750121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 750121 is about 866.0952603496. The cubic root of 750121 is about 90.8609154142.

Adding to 750121 its reverse (121057), we get a palindrome (871178).

The spelling of 750121 in words is "seven hundred fifty thousand, one hundred twenty-one".