91122052 has 24 divisors (see below), whose sum is σ = 185685696. Its totient is φ = 38314848.

The previous prime is 91122029. The next prime is 91122071. The reversal of 91122052 is 25022119.

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 in 7 ways as a sum of consecutive naturals, for example, 29218 + ... + 32185.

It is an arithmetic number, because the mean of its divisors is an integer number (7736904).

Almost surely, 2^91122052 is an apocalyptic number.

It is an amenable number.

91122052 is an abundant number, since it is smaller than the sum of its proper divisors (94563644).

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

91122052 is a wasteful number, since it uses less digits than its factorization.

91122052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61467 (or 61465 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 91122052 is about 9545.7871335998. The cubic root of 91122052 is about 449.9951472728.

The spelling of 91122052 in words is "ninety-one million, one hundred twenty-two thousand, fifty-two".