1229976677 has 8 divisors (see below), whose sum is σ = 1270966272. Its totient is φ = 1189069200.

The previous prime is 1229976619. The next prime is 1229976689. The reversal of 1229976677 is 7766799221.

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 1229976677 - 2¹⁴ = 1229960293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229976577) 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 in 7 ways as a sum of consecutive naturals, for example, 10703 + ... + 50739.

It is an arithmetic number, because the mean of its divisors is an integer number (158870784).

Almost surely, 2^1229976677 is an apocalyptic number.

It is an amenable number.

1229976677 is a deficient number, since it is larger than the sum of its proper divisors (40989595).

1229976677 is an equidigital number, since it uses as much as digits as its factorization.

1229976677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41059.

The product of its digits is 4000752, while the sum is 56.

The square root of 1229976677 is about 35071.0233241062. The cubic root of 1229976677 is about 1071.4344975003.

It can be divided in two parts, 122 and 9976677, that added together give a palindrome (9976799).

The spelling of 1229976677 in words is "one billion, two hundred twenty-nine million, nine hundred seventy-six thousand, six hundred seventy-seven".