125961434 has 4 divisors (see below), whose sum is σ = 188942154. Its totient is φ = 62980716.

The previous prime is 125961397. The next prime is 125961467. The reversal of 125961434 is 434169521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121771225 + 4190209 = 11035^2 + 2047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125961394 and 125961403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31490357 + ... + 31490360.

Almost surely, 2^125961434 is an apocalyptic number.

125961434 is a deficient number, since it is larger than the sum of its proper divisors (62980720).

125961434 is an equidigital number, since it uses as much as digits as its factorization.

125961434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62980719.

The product of its digits is 25920, while the sum is 35.

The square root of 125961434 is about 11223.2541626749. The cubic root of 125961434 is about 501.2786393754.

The spelling of 125961434 in words is "one hundred twenty-five million, nine hundred sixty-one thousand, four hundred thirty-four".