125603369 has 2 divisors, whose sum is σ = 125603370. Its totient is φ = 125603368.

The previous prime is 125603339. The next prime is 125603371. The reversal of 125603369 is 963306521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90022144 + 35581225 = 9488^2 + 5965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125603369 is a prime.

It is a super-2 number, since 2×125603369² = 31552412608300322, which contains 22 as substring.

Together with 125603371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125603329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62801684 + 62801685.

It is an arithmetic number, because the mean of its divisors is an integer number (62801685).

Almost surely, 2^125603369 is an apocalyptic number.

It is an amenable number.

125603369 is a deficient number, since it is larger than the sum of its proper divisors (1).

125603369 is an equidigital number, since it uses as much as digits as its factorization.

125603369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 125603369 is about 11207.2908858475. The cubic root of 125603369 is about 500.8032010453.

The spelling of 125603369 in words is "one hundred twenty-five million, six hundred three thousand, three hundred sixty-nine".