1229447959 has 8 divisors (see below), whose sum is σ = 1279365120. Its totient is φ = 1180500216.

The previous prime is 1229447917. The next prime is 1229447963. The reversal of 1229447959 is 9597449221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1229447959 - 2¹⁵ = 1229415191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229447909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239767 + ... + 244840.

It is an arithmetic number, because the mean of its divisors is an integer number (159920640).

Almost surely, 2^1229447959 is an apocalyptic number.

1229447959 is a deficient number, since it is larger than the sum of its proper divisors (49917161).

1229447959 is an equidigital number, since it uses as much as digits as its factorization.

1229447959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484709.

The product of its digits is 1632960, while the sum is 52.

The square root of 1229447959 is about 35063.4846956203. The cubic root of 1229447959 is about 1071.2809531542.

The spelling of 1229447959 in words is "one billion, two hundred twenty-nine million, four hundred forty-seven thousand, nine hundred fifty-nine".