125491902035 has 4 divisors (see below), whose sum is σ = 150590282448. Its totient is φ = 100393521624.

The previous prime is 125491901989. The next prime is 125491902083. The reversal of 125491902035 is 530209194521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 530209194521 = 61403 ⋅8634907.

It is a cyclic number.

It is not a de Polignac number, because 125491902035 - 2⁶ = 125491901971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125491901983 and 125491902001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12549190199 + ... + 12549190208.

It is an arithmetic number, because the mean of its divisors is an integer number (37647570612).

Almost surely, 2^125491902035 is an apocalyptic number.

125491902035 is a deficient number, since it is larger than the sum of its proper divisors (25098380413).

125491902035 is an equidigital number, since it uses as much as digits as its factorization.

125491902035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25098380412.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 125491902035 in words is "one hundred twenty-five billion, four hundred ninety-one million, nine hundred two thousand, thirty-five".