754323121 has 2 divisors, whose sum is σ = 754323122. Its totient is φ = 754323120.

The previous prime is 754323113. The next prime is 754323127. The reversal of 754323121 is 121323457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 747749025 + 6574096 = 27345^2 + 2564^2 .

It is a cyclic number.

It is not a de Polignac number, because 754323121 - 2³ = 754323113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 754323121.

It is not a weakly prime, because it can be changed into another prime (754323127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377161560 + 377161561.

It is an arithmetic number, because the mean of its divisors is an integer number (377161561).

Almost surely, 2^754323121 is an apocalyptic number.

It is an amenable number.

754323121 is a deficient number, since it is larger than the sum of its proper divisors (1).

754323121 is an equidigital number, since it uses as much as digits as its factorization.

754323121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 754323121 is about 27464.9434916586. The cubic root of 754323121 is about 910.3026490014.

Adding to 754323121 its reverse (121323457), we get a palindrome (875646578).

The spelling of 754323121 in words is "seven hundred fifty-four million, three hundred twenty-three thousand, one hundred twenty-one".