125990393 has 2 divisors, whose sum is σ = 125990394. Its totient is φ = 125990392.

The previous prime is 125990369. The next prime is 125990401. The reversal of 125990393 is 393099521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93180409 + 32809984 = 9653^2 + 5728^2 .

It is an emirp because it is prime and its reverse (393099521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125990393 - 2¹² = 125986297 is a prime.

It is a Sophie Germain prime.

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 125990393.

It is not a weakly prime, because it can be changed into another prime (125990353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62995196 + 62995197.

It is an arithmetic number, because the mean of its divisors is an integer number (62995197).

Almost surely, 2^125990393 is an apocalyptic number.

It is an amenable number.

125990393 is a deficient number, since it is larger than the sum of its proper divisors (1).

125990393 is an equidigital number, since it uses as much as digits as its factorization.

125990393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 125990393 is about 11224.5442223727. The cubic root of 125990393 is about 501.3170517035.

The spelling of 125990393 in words is "one hundred twenty-five million, nine hundred ninety thousand, three hundred ninety-three".