91120150 has 24 divisors (see below), whose sum is σ = 184892184. Its totient is φ = 33134400.

The previous prime is 91120123. The next prime is 91120177. The reversal of 91120150 is 5102119.

It is an interprime number because it is at equal distance from previous prime (91120123) and next prime (91120177).

It is a congruent 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 in 11 ways as a sum of consecutive naturals, for example, 82287 + ... + 83386.

It is an arithmetic number, because the mean of its divisors is an integer number (7703841).

Almost surely, 2^91120150 is an apocalyptic number.

91120150 is an abundant number, since it is smaller than the sum of its proper divisors (93772034).

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

91120150 is a wasteful number, since it uses less digits than its factorization.

91120150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165696 (or 165691 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 91120150 is about 9545.6875079797. The cubic root of 91120150 is about 449.9920163193.

Adding to 91120150 its reverse (5102119), we get a palindrome (96222269).

The spelling of 91120150 in words is "ninety-one million, one hundred twenty thousand, one hundred fifty".