121151196 has 18 divisors (see below), whose sum is σ = 306243392. Its totient is φ = 40383720.

The previous prime is 121151171. The next prime is 121151203. The reversal of 121151196 is 691151121.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×121151196² = 29355224584460832, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1682620 + ... + 1682691.

Almost surely, 2^121151196 is an apocalyptic number.

It is an amenable number.

121151196 is an abundant number, since it is smaller than the sum of its proper divisors (185092196).

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

121151196 is a wasteful number, since it uses less digits than its factorization.

121151196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365321 (or 3365316 counting only the distinct ones).

The product of its digits is 540, while the sum is 27.

The square root of 121151196 is about 11006.8703998912. The cubic root of 121151196 is about 494.8146719748.

The spelling of 121151196 in words is "one hundred twenty-one million, one hundred fifty-one thousand, one hundred ninety-six".