1229076849 has 96 divisors (see below), whose sum is σ = 2279854080. Its totient is φ = 578793600.

The previous prime is 1229076847. The next prime is 1229076851. The reversal of 1229076849 is 9486709221.

It is an interprime number because it is at equal distance from previous prime (1229076847) and next prime (1229076851).

It is not a de Polignac number, because 1229076849 - 2¹ = 1229076847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1229076798 and 1229076807.

It is not an unprimeable number, because it can be changed into a prime (1229076847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1239744 + ... + 1240734.

It is an arithmetic number, because the mean of its divisors is an integer number (23748480).

Almost surely, 2^1229076849 is an apocalyptic number.

It is an amenable number.

1229076849 is a deficient number, since it is larger than the sum of its proper divisors (1050777231).

1229076849 is a wasteful number, since it uses less digits than its factorization.

1229076849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 1229076849 is about 35058.1923236210. The cubic root of 1229076849 is about 1071.1731532591.

The spelling of 1229076849 in words is "one billion, two hundred twenty-nine million, seventy-six thousand, eight hundred forty-nine".