125336902198 has 4 divisors (see below), whose sum is σ = 188005353300. Its totient is φ = 62668451098.

The previous prime is 125336902189. The next prime is 125336902267. The reversal of 125336902198 is 891209633521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 891209633521 = 944039².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31334225548 + ... + 31334225551.

It is an arithmetic number, because the mean of its divisors is an integer number (47001338325).

Almost surely, 2^125336902198 is an apocalyptic number.

125336902198 is a deficient number, since it is larger than the sum of its proper divisors (62668451102).

125336902198 is an equidigital number, since it uses as much as digits as its factorization.

125336902198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62668451101.

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 125336902198 in words is "one hundred twenty-five billion, three hundred thirty-six million, nine hundred two thousand, one hundred ninety-eight".