125132320435 has 4 divisors (see below), whose sum is σ = 150158784528. Its totient is φ = 100105856344.

The previous prime is 125132320421. The next prime is 125132320499. The reversal of 125132320435 is 534023231521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 534023231521 = 13 ⋅41078710117.

It is a cyclic number.

It is not a de Polignac number, because 125132320435 - 2⁵ = 125132320403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125132320397 and 125132320406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12513232039 + ... + 12513232048.

It is an arithmetic number, because the mean of its divisors is an integer number (37539696132).

Almost surely, 2^125132320435 is an apocalyptic number.

125132320435 is a deficient number, since it is larger than the sum of its proper divisors (25026464093).

125132320435 is an equidigital number, since it uses as much as digits as its factorization.

125132320435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25026464092.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 125132320435 its reverse (534023231521), we get a palindrome (659155551956).

The spelling of 125132320435 in words is "one hundred twenty-five billion, one hundred thirty-two million, three hundred twenty thousand, four hundred thirty-five".