91940122 has 8 divisors (see below), whose sum is σ = 141273972. Its totient is φ = 44848800.

The previous prime is 91940119. The next prime is 91940129. The reversal of 91940122 is 22104919.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 88943761 + 2996361 = 9431^2 + 1731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (91940129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560529 + ... + 560692.

Almost surely, 2^91940122 is an apocalyptic number.

91940122 is a deficient number, since it is larger than the sum of its proper divisors (49333850).

91940122 is a wasteful number, since it uses less digits than its factorization.

91940122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121264.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 91940122 is about 9588.5411820568. The cubic root of 91940122 is about 451.3377836346.

It can be divided in two parts, 919 and 40122, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 91940122 in words is "ninety-one million, nine hundred forty thousand, one hundred twenty-two".