10126125389 has 2 divisors, whose sum is σ = 10126125390. Its totient is φ = 10126125388.

The previous prime is 10126125343. The next prime is 10126125439. The reversal of 10126125389 is 98352162101.

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., 7791592900 + 2334532489 = 88270^2 + 48317^2 .

It is a cyclic number.

It is not a de Polignac number, because 10126125389 - 2⁸ = 10126125133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10126125329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5063062694 + 5063062695.

It is an arithmetic number, because the mean of its divisors is an integer number (5063062695).

Almost surely, 2^10126125389 is an apocalyptic number.

It is an amenable number.

10126125389 is a deficient number, since it is larger than the sum of its proper divisors (1).

10126125389 is an equidigital number, since it uses as much as digits as its factorization.

10126125389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 10126125389 in words is "ten billion, one hundred twenty-six million, one hundred twenty-five thousand, three hundred eighty-nine".