125030501 has 2 divisors, whose sum is σ = 125030502. Its totient is φ = 125030500.

The previous prime is 125030489. The next prime is 125030527. The reversal of 125030501 is 105030521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124858276 + 172225 = 11174^2 + 415^2 .

It is an emirp because it is prime and its reverse (105030521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125030501 - 2²² = 120836197 is a prime.

It is a super-2 number, since 2×125030501² = 31265252360622002, which contains 22 as substring.

It is a Sophie Germain prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 125030501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125030201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62515250 + 62515251.

It is an arithmetic number, because the mean of its divisors is an integer number (62515251).

Almost surely, 2^125030501 is an apocalyptic number.

It is an amenable number.

125030501 is a deficient number, since it is larger than the sum of its proper divisors (1).

125030501 is an equidigital number, since it uses as much as digits as its factorization.

125030501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 125030501 is about 11181.7038504872. The cubic root of 125030501 is about 500.0406646927.

The spelling of 125030501 in words is "one hundred twenty-five million, thirty thousand, five hundred one".