121171136 has 14 divisors (see below), whose sum is σ = 240449100. Its totient is φ = 60585536.

The previous prime is 121171129. The next prime is 121171147. The reversal of 121171136 is 631171121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 946586 + ... + 946713.

Almost surely, 2^121171136 is an apocalyptic number.

121171136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121171136 is a deficient number, since it is larger than the sum of its proper divisors (119277964).

121171136 is an equidigital number, since it uses as much as digits as its factorization.

121171136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893311 (or 1893301 counting only the distinct ones).

The product of its digits is 252, while the sum is 23.

The square root of 121171136 is about 11007.7761605149. The cubic root of 121171136 is about 494.8418172930.

The spelling of 121171136 in words is "one hundred twenty-one million, one hundred seventy-one thousand, one hundred thirty-six".