129822043 has 16 divisors (see below), whose sum is σ = 143377920. Its totient is φ = 116816544.

The previous prime is 129822023. The next prime is 129822053. The reversal of 129822043 is 340228921.

It is a de Polignac number, because none of the positive numbers 2^k-129822043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129821996 and 129822014.

It is not an unprimeable number, because it can be changed into a prime (129822023) 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 15 ways as a sum of consecutive naturals, for example, 84480 + ... + 86002.

It is an arithmetic number, because the mean of its divisors is an integer number (8961120).

Almost surely, 2^129822043 is an apocalyptic number.

129822043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

129822043 is a deficient number, since it is larger than the sum of its proper divisors (13555877).

129822043 is a wasteful number, since it uses less digits than its factorization.

129822043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 129822043 is about 11393.9476477646. The cubic root of 129822043 is about 506.3484440370.

The spelling of 129822043 in words is "one hundred twenty-nine million, eight hundred twenty-two thousand, forty-three".