122090477 has 2 divisors, whose sum is σ = 122090478. Its totient is φ = 122090476.

The previous prime is 122090461. The next prime is 122090483. The reversal of 122090477 is 774090221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121132036 + 958441 = 11006^2 + 979^2 .

It is an emirp because it is prime and its reverse (774090221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122090477 - 2⁴ = 122090461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122090407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61045238 + 61045239.

It is an arithmetic number, because the mean of its divisors is an integer number (61045239).

Almost surely, 2^122090477 is an apocalyptic number.

It is an amenable number.

122090477 is a deficient number, since it is larger than the sum of its proper divisors (1).

122090477 is an equidigital number, since it uses as much as digits as its factorization.

122090477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 122090477 is about 11049.4559594579. The cubic root of 122090477 is about 496.0901417096.

The spelling of 122090477 in words is "one hundred twenty-two million, ninety thousand, four hundred seventy-seven".