125196553 has 2 divisors, whose sum is σ = 125196554. Its totient is φ = 125196552.

The previous prime is 125196481. The next prime is 125196581. The reversal of 125196553 is 355691521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95023504 + 30173049 = 9748^2 + 5493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125196553 is a prime.

It is not a weakly prime, because it can be changed into another prime (125196853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62598276 + 62598277.

It is an arithmetic number, because the mean of its divisors is an integer number (62598277).

Almost surely, 2^125196553 is an apocalyptic number.

It is an amenable number.

125196553 is a deficient number, since it is larger than the sum of its proper divisors (1).

125196553 is an equidigital number, since it uses as much as digits as its factorization.

125196553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 37.

The square root of 125196553 is about 11189.1265521487. The cubic root of 125196553 is about 500.2619334245.

The spelling of 125196553 in words is "one hundred twenty-five million, one hundred ninety-six thousand, five hundred fifty-three".