125135434 has 4 divisors (see below), whose sum is σ = 187703154. Its totient is φ = 62567716.

The previous prime is 125135429. The next prime is 125135459. The reversal of 125135434 is 434531521.

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., 123321025 + 1814409 = 11105^2 + 1347^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31283857 + ... + 31283860.

Almost surely, 2^125135434 is an apocalyptic number.

125135434 is a deficient number, since it is larger than the sum of its proper divisors (62567720).

125135434 is an equidigital number, since it uses as much as digits as its factorization.

125135434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62567719.

The product of its digits is 7200, while the sum is 28.

The square root of 125135434 is about 11186.3950404051. The cubic root of 125135434 is about 500.1805134886.

Adding to 125135434 its reverse (434531521), we get a palindrome (559666955).

The spelling of 125135434 in words is "one hundred twenty-five million, one hundred thirty-five thousand, four hundred thirty-four".