122250881 has 2 divisors, whose sum is σ = 122250882. Its totient is φ = 122250880.

The previous prime is 122250833. The next prime is 122250899. The reversal of 122250881 is 188052221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111492481 + 10758400 = 10559^2 + 3280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122250881 is a prime.

It is a super-2 number, since 2×122250881² = 29890555810552322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122250811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61125440 + 61125441.

It is an arithmetic number, because the mean of its divisors is an integer number (61125441).

Almost surely, 2^122250881 is an apocalyptic number.

It is an amenable number.

122250881 is a deficient number, since it is larger than the sum of its proper divisors (1).

122250881 is an equidigital number, since it uses as much as digits as its factorization.

122250881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 122250881 is about 11056.7120338734. The cubic root of 122250881 is about 496.3073031177.

The spelling of 122250881 in words is "one hundred twenty-two million, two hundred fifty thousand, eight hundred eighty-one".