125223701 has 2 divisors, whose sum is σ = 125223702. Its totient is φ = 125223700.

The previous prime is 125223691. The next prime is 125223719. The reversal of 125223701 is 107322521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88378801 + 36844900 = 9401^2 + 6070^2 .

It is an emirp because it is prime and its reverse (107322521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125223701 - 2¹⁰ = 125222677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125223731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62611850 + 62611851.

It is an arithmetic number, because the mean of its divisors is an integer number (62611851).

Almost surely, 2^125223701 is an apocalyptic number.

It is an amenable number.

125223701 is a deficient number, since it is larger than the sum of its proper divisors (1).

125223701 is an equidigital number, since it uses as much as digits as its factorization.

125223701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 125223701 is about 11190.3396284474. The cubic root of 125223701 is about 500.2980902491.

The spelling of 125223701 in words is "one hundred twenty-five million, two hundred twenty-three thousand, seven hundred one".