121748196 has 12 divisors (see below), whose sum is σ = 284079152. Its totient is φ = 40582728.

The previous prime is 121748171. The next prime is 121748197. The reversal of 121748196 is 691847121.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (121748197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5072830 + ... + 5072853.

Almost surely, 2^121748196 is an apocalyptic number.

It is an amenable number.

121748196 is an abundant number, since it is smaller than the sum of its proper divisors (162330956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121748196 is a wasteful number, since it uses less digits than its factorization.

121748196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10145690 (or 10145688 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 121748196 is about 11033.9564980110. The cubic root of 121748196 is about 495.6261110936.

The spelling of 121748196 in words is "one hundred twenty-one million, seven hundred forty-eight thousand, one hundred ninety-six".