125540234 has 4 divisors (see below), whose sum is σ = 188310354. Its totient is φ = 62770116.

The previous prime is 125540227. The next prime is 125540299. The reversal of 125540234 is 432045521.

It is a happy number.

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., 109516225 + 16024009 = 10465^2 + 4003^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31385057 + ... + 31385060.

Almost surely, 2^125540234 is an apocalyptic number.

125540234 is a deficient number, since it is larger than the sum of its proper divisors (62770120).

125540234 is an equidigital number, since it uses as much as digits as its factorization.

125540234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62770119.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 125540234 is about 11204.4738386057. The cubic root of 125540234 is about 500.7192767856.

Adding to 125540234 its reverse (432045521), we get a palindrome (557585755).

The spelling of 125540234 in words is "one hundred twenty-five million, five hundred forty thousand, two hundred thirty-four".