125435159 has 2 divisors, whose sum is σ = 125435160. Its totient is φ = 125435158.

The previous prime is 125435147. The next prime is 125435201. The reversal of 125435159 is 951534521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125435159 - 2¹⁶ = 125369623 is a prime.

It is a super-2 number, since 2×125435159² = 31467958226710562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125435119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62717579 + 62717580.

It is an arithmetic number, because the mean of its divisors is an integer number (62717580).

Almost surely, 2^125435159 is an apocalyptic number.

125435159 is a deficient number, since it is larger than the sum of its proper divisors (1).

125435159 is an equidigital number, since it uses as much as digits as its factorization.

125435159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 35.

The square root of 125435159 is about 11199.7838818434. The cubic root of 125435159 is about 500.5795400072.

The spelling of 125435159 in words is "one hundred twenty-five million, four hundred thirty-five thousand, one hundred fifty-nine".