125121452306 has 8 divisors (see below), whose sum is σ = 187697063484. Its totient is φ = 62555764480.

The previous prime is 125121452231. The next prime is 125121452347. The reversal of 125121452306 is 603254121521.

It can be written as a sum of positive squares in 2 ways, for example, as 102045108025 + 23076344281 = 319445^2 + 151909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 2449235 + ... + 2499798.

Almost surely, 2^125121452306 is an apocalyptic number.

125121452306 is a deficient number, since it is larger than the sum of its proper divisors (62575611178).

125121452306 is a wasteful number, since it uses less digits than its factorization.

125121452306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4961676.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 125121452306 its reverse (603254121521), we get a palindrome (728375573827).

The spelling of 125121452306 in words is "one hundred twenty-five billion, one hundred twenty-one million, four hundred fifty-two thousand, three hundred six".