122797081 has 4 divisors (see below), whose sum is σ = 133960464. Its totient is φ = 111633700.

The previous prime is 122797063. The next prime is 122797093. The reversal of 122797081 is 180797221.

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: 180797221 = 11 ⋅16436111.

It is a cyclic number.

It is not a de Polignac number, because 122797081 - 2⁷ = 122796953 is a prime.

It is a super-2 number, since 2×122797081² = 30158246204241122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122797081.

It is not an unprimeable number, because it can be changed into a prime (122797021) 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, 5581675 + ... + 5581696.

It is an arithmetic number, because the mean of its divisors is an integer number (33490116).

Almost surely, 2^122797081 is an apocalyptic number.

122797081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122797081 is a deficient number, since it is larger than the sum of its proper divisors (11163383).

122797081 is a wasteful number, since it uses less digits than its factorization.

122797081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11163382.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 122797081 is about 11081.3844351687. The cubic root of 122797081 is about 497.0453491352.

The spelling of 122797081 in words is "one hundred twenty-two million, seven hundred ninety-seven thousand, eighty-one".