29355121 has 2 divisors, whose sum is σ = 29355122. Its totient is φ = 29355120.

The previous prime is 29355113. The next prime is 29355143. The reversal of 29355121 is 12155392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15210000 + 14145121 = 3900^2 + 3761^2 .

It is a cyclic number.

It is not a de Polignac number, because 29355121 - 2³ = 29355113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29355121.

It is not a weakly prime, because it can be changed into another prime (29355101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14677560 + 14677561.

It is an arithmetic number, because the mean of its divisors is an integer number (14677561).

Almost surely, 2^29355121 is an apocalyptic number.

It is an amenable number.

29355121 is a deficient number, since it is larger than the sum of its proper divisors (1).

29355121 is an equidigital number, since it uses as much as digits as its factorization.

29355121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 28.

The square root of 29355121 is about 5418.0366370116. The cubic root of 29355121 is about 308.4806719895.

The spelling of 29355121 in words is "twenty-nine million, three hundred fifty-five thousand, one hundred twenty-one".