90122126 has 4 divisors (see below), whose sum is σ = 135183192. Its totient is φ = 45061062.

The previous prime is 90122113. The next prime is 90122129. The reversal of 90122126 is 62122109.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90122129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22530530 + ... + 22530533.

It is an arithmetic number, because the mean of its divisors is an integer number (33795798).

Almost surely, 2^90122126 is an apocalyptic number.

90122126 is a deficient number, since it is larger than the sum of its proper divisors (45061066).

90122126 is a wasteful number, since it uses less digits than its factorization.

90122126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45061065.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 90122126 is about 9493.2674037973. The cubic root of 90122126 is about 448.3430852744.

The spelling of 90122126 in words is "ninety million, one hundred twenty-two thousand, one hundred twenty-six".