125014321 has 2 divisors, whose sum is σ = 125014322. Its totient is φ = 125014320.

The previous prime is 125014297. The next prime is 125014367. The reversal of 125014321 is 123410521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115863696 + 9150625 = 10764^2 + 3025^2 .

It is a cyclic number.

It is not a de Polignac number, because 125014321 - 2¹³ = 125006129 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (125014381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62507160 + 62507161.

It is an arithmetic number, because the mean of its divisors is an integer number (62507161).

Almost surely, 2^125014321 is an apocalyptic number.

It is an amenable number.

125014321 is a deficient number, since it is larger than the sum of its proper divisors (1).

125014321 is an equidigital number, since it uses as much as digits as its factorization.

125014321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 125014321 is about 11180.9803237462. The cubic root of 125014321 is about 500.0190939375.

Adding to 125014321 its reverse (123410521), we get a palindrome (248424842).

The spelling of 125014321 in words is "one hundred twenty-five million, fourteen thousand, three hundred twenty-one".