750123131 has 2 divisors, whose sum is σ = 750123132. Its totient is φ = 750123130.

The previous prime is 750123083. The next prime is 750123133. The reversal of 750123131 is 131321057.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 750123131 - 2¹⁸ = 749860987 is a prime.

It is a super-2 number, since 2×750123131² = 1125369423322486322, which contains 22 as substring.

Together with 750123133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 750123097 and 750123106.

It is not a weakly prime, because it can be changed into another prime (750123133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375061565 + 375061566.

It is an arithmetic number, because the mean of its divisors is an integer number (375061566).

Almost surely, 2^750123131 is an apocalyptic number.

750123131 is a deficient number, since it is larger than the sum of its proper divisors (1).

750123131 is an equidigital number, since it uses as much as digits as its factorization.

750123131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 750123131 is about 27388.3758372051. The cubic root of 750123131 is about 908.6100145566.

Adding to 750123131 its reverse (131321057), we get a palindrome (881444188).

The spelling of 750123131 in words is "seven hundred fifty million, one hundred twenty-three thousand, one hundred thirty-one".