125427353237 has 4 divisors (see below), whose sum is σ = 127553240640. Its totient is φ = 123301465836.

The previous prime is 125427353221. The next prime is 125427353257. The reversal of 125427353237 is 732353724521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 732353724521 = 47569 ⋅15395609.

It is a cyclic number.

It is not a de Polignac number, because 125427353237 - 2⁴ = 125427353221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125427353257) by changing a digit.

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, 1062943613 + ... + 1062943730.

It is an arithmetic number, because the mean of its divisors is an integer number (31888310160).

Almost surely, 2^125427353237 is an apocalyptic number.

It is an amenable number.

125427353237 is a deficient number, since it is larger than the sum of its proper divisors (2125887403).

125427353237 is an equidigital number, since it uses as much as digits as its factorization.

125427353237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125887402.

The product of its digits is 1058400, while the sum is 44.

The spelling of 125427353237 in words is "one hundred twenty-five billion, four hundred twenty-seven million, three hundred fifty-three thousand, two hundred thirty-seven".