29380121 has 2 divisors, whose sum is σ = 29380122. Its totient is φ = 29380120.

The previous prime is 29380111. The next prime is 29380133. The reversal of 29380121 is 12108392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29376400 + 3721 = 5420^2 + 61^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29380121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29380111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14690060 + 14690061.

It is an arithmetic number, because the mean of its divisors is an integer number (14690061).

Almost surely, 2^29380121 is an apocalyptic number.

It is an amenable number.

29380121 is a deficient number, since it is larger than the sum of its proper divisors (1).

29380121 is an equidigital number, since it uses as much as digits as its factorization.

29380121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 29380121 is about 5420.3432548133. The cubic root of 29380121 is about 308.5682186513.

The spelling of 29380121 in words is "twenty-nine million, three hundred eighty thousand, one hundred twenty-one".