121133192 has 8 divisors (see below), whose sum is σ = 227124750. Its totient is φ = 60566592.

The previous prime is 121133179. The next prime is 121133197. The reversal of 121133192 is 291331121.

It can be written as a sum of positive squares in only one way, i.e., 121132036 + 1156 = 11006^2 + 34^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (121133197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7570817 + ... + 7570832.

Almost surely, 2^121133192 is an apocalyptic number.

It is an amenable number.

121133192 is a deficient number, since it is larger than the sum of its proper divisors (105991558).

121133192 is a wasteful number, since it uses less digits than its factorization.

121133192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15141655 (or 15141651 counting only the distinct ones).

The product of its digits is 324, while the sum is 23.

The square root of 121133192 is about 11006.0525166837. The cubic root of 121133192 is about 494.7901596712.

The spelling of 121133192 in words is "one hundred twenty-one million, one hundred thirty-three thousand, one hundred ninety-two".