90922129 has 4 divisors (see below), whose sum is σ = 91064176. Its totient is φ = 90780084.

The previous prime is 90922067. The next prime is 90922187. The reversal of 90922129 is 92122909.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92122909 = 661 ⋅139369.

It is a cyclic number.

It is not a de Polignac number, because 90922129 - 2¹³ = 90913937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90922094 and 90922103.

It is not an unprimeable number, because it can be changed into a prime (90920129) 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, 70059 + ... + 71344.

It is an arithmetic number, because the mean of its divisors is an integer number (22766044).

Almost surely, 2^90922129 is an apocalyptic number.

It is an amenable number.

90922129 is a deficient number, since it is larger than the sum of its proper divisors (142047).

90922129 is a wasteful number, since it uses less digits than its factorization.

90922129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142046.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 90922129 is about 9535.3095911984. The cubic root of 90922129 is about 449.6658078410.

The spelling of 90922129 in words is "ninety million, nine hundred twenty-two thousand, one hundred twenty-nine".