1223054929 has 2 divisors, whose sum is σ = 1223054930. Its totient is φ = 1223054928.

The previous prime is 1223054927. The next prime is 1223054983. The reversal of 1223054929 is 9294503221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1125736704 + 97318225 = 33552^2 + 9865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223054929 - 2¹ = 1223054927 is a prime.

Together with 1223054927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1223054927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611527464 + 611527465.

It is an arithmetic number, because the mean of its divisors is an integer number (611527465).

Almost surely, 2^1223054929 is an apocalyptic number.

It is an amenable number.

1223054929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223054929 is an equidigital number, since it uses as much as digits as its factorization.

1223054929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1223054929 is about 34972.2022326304. The cubic root of 1223054929 is about 1069.4208672015.

The spelling of 1223054929 in words is "one billion, two hundred twenty-three million, fifty-four thousand, nine hundred twenty-nine".