121992625148 has 24 divisors (see below), whose sum is σ = 217185786720. Its totient is φ = 59945034240.

The previous prime is 121992625127. The next prime is 121992625171. The reversal of 121992625148 is 841526299121.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 121992625096 and 121992625105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597293 + ... + 775076.

It is an arithmetic number, because the mean of its divisors is an integer number (9049407780).

Almost surely, 2^121992625148 is an apocalyptic number.

It is an amenable number.

121992625148 is a deficient number, since it is larger than the sum of its proper divisors (95193161572).

121992625148 is a wasteful number, since it uses less digits than its factorization.

121992625148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372757 (or 1372755 counting only the distinct ones).

The product of its digits is 622080, while the sum is 50.

The spelling of 121992625148 in words is "one hundred twenty-one billion, nine hundred ninety-two million, six hundred twenty-five thousand, one hundred forty-eight".