121533167 has 16 divisors (see below), whose sum is σ = 141877824. Its totient is φ = 101952000.

The previous prime is 121533163. The next prime is 121533169. The reversal of 121533167 is 761335121.

It is a cyclic number.

It is not a de Polignac number, because 121533167 - 2² = 121533163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121533161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102317 + ... + 103497.

It is an arithmetic number, because the mean of its divisors is an integer number (8867364).

Almost surely, 2^121533167 is an apocalyptic number.

121533167 is a deficient number, since it is larger than the sum of its proper divisors (20344657).

121533167 is a wasteful number, since it uses less digits than its factorization.

121533167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490.

The product of its digits is 3780, while the sum is 29.

The square root of 121533167 is about 11024.2082255371. The cubic root of 121533167 is about 495.3341511438.

Adding to 121533167 its reverse (761335121), we get a palindrome (882868288).

The spelling of 121533167 in words is "one hundred twenty-one million, five hundred thirty-three thousand, one hundred sixty-seven".