129883077 has 12 divisors (see below), whose sum is σ = 198644940. Its totient is φ = 81495168.

The previous prime is 129883063. The next prime is 129883079. The reversal of 129883077 is 770388921.

It can be written as a sum of positive squares in 2 ways, for example, as 34644996 + 95238081 = 5886^2 + 9759^2 .

It is not a de Polignac number, because 129883077 - 2¹¹ = 129881029 is a prime.

It is a super-2 number, since 2×129883077² = 33739227381975858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129883079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424302 + ... + 424607.

It is an arithmetic number, because the mean of its divisors is an integer number (16553745).

Almost surely, 2^129883077 is an apocalyptic number.

129883077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

129883077 is a deficient number, since it is larger than the sum of its proper divisors (68761863).

129883077 is a wasteful number, since it uses less digits than its factorization.

129883077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848932 (or 848929 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 129883077 is about 11396.6256848244. The cubic root of 129883077 is about 506.4277824616.

The spelling of 129883077 in words is "one hundred twenty-nine million, eight hundred eighty-three thousand, seventy-seven".