122992027 has 4 divisors (see below), whose sum is σ = 123043336. Its totient is φ = 122940720.

The previous prime is 122992013. The next prime is 122992031. The reversal of 122992027 is 720299221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720299221 = 929 ⋅775349.

It is a cyclic number.

It is not a de Polignac number, because 122992027 - 2¹⁵ = 122959259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122991983 and 122992001.

It is not an unprimeable number, because it can be changed into a prime (122992057) 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, 21873 + ... + 26914.

It is an arithmetic number, because the mean of its divisors is an integer number (30760834).

Almost surely, 2^122992027 is an apocalyptic number.

122992027 is a deficient number, since it is larger than the sum of its proper divisors (51309).

122992027 is an equidigital number, since it uses as much as digits as its factorization.

122992027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51308.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 122992027 is about 11090.1770499844. The cubic root of 122992027 is about 497.3082375005.

The spelling of 122992027 in words is "one hundred twenty-two million, nine hundred ninety-two thousand, twenty-seven".