125323501 has 2 divisors, whose sum is σ = 125323502. Its totient is φ = 125323500.

The previous prime is 125323489. The next prime is 125323519. The reversal of 125323501 is 105323521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95062500 + 30261001 = 9750^2 + 5501^2 .

It is an emirp because it is prime and its reverse (105323521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125323501 - 2¹⁵ = 125290733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125323301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62661750 + 62661751.

It is an arithmetic number, because the mean of its divisors is an integer number (62661751).

Almost surely, 2^125323501 is an apocalyptic number.

It is an amenable number.

125323501 is a deficient number, since it is larger than the sum of its proper divisors (1).

125323501 is an equidigital number, since it uses as much as digits as its factorization.

125323501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 125323501 is about 11194.7979436880. The cubic root of 125323501 is about 500.4309631016.

The spelling of 125323501 in words is "one hundred twenty-five million, three hundred twenty-three thousand, five hundred one".