129672010 has 36 divisors (see below), whose sum is σ = 253661058. Its totient is φ = 47706048.

The previous prime is 129671957. The next prime is 129672019. The reversal of 129672010 is 10276921.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 22155849 + 107516161 = 4707^2 + 10369^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 129672010.

It is not an unprimeable number, because it can be changed into a prime (129672019) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 467992 + ... + 468268.

Almost surely, 2^129672010 is an apocalyptic number.

129672010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129672010 is a deficient number, since it is larger than the sum of its proper divisors (123989048).

129672010 is an equidigital number, since it uses as much as digits as its factorization.

129672010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 129672010 is about 11387.3618542663. The cubic root of 129672010 is about 506.1533095835.

The spelling of 129672010 in words is "one hundred twenty-nine million, six hundred seventy-two thousand, ten".