29120489 has 2 divisors, whose sum is σ = 29120490. Its totient is φ = 29120488.

The previous prime is 29120471. The next prime is 29120519. The reversal of 29120489 is 98402192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20611600 + 8508889 = 4540^2 + 2917^2 .

It is a cyclic number.

It is not a de Polignac number, because 29120489 - 2⁸ = 29120233 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (29120449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14560244 + 14560245.

It is an arithmetic number, because the mean of its divisors is an integer number (14560245).

Almost surely, 2^29120489 is an apocalyptic number.

It is an amenable number.

29120489 is a deficient number, since it is larger than the sum of its proper divisors (1).

29120489 is an equidigital number, since it uses as much as digits as its factorization.

29120489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 29120489 is about 5396.3403339671. The cubic root of 29120489 is about 307.6565893362.

The spelling of 29120489 in words is "twenty-nine million, one hundred twenty thousand, four hundred eighty-nine".