129472098 has 16 divisors (see below), whose sum is σ = 295936320. Its totient is φ = 36992016.

The previous prime is 129472093. The next prime is 129472103. The reversal of 129472098 is 890274921.

It is an interprime number because it is at equal distance from previous prime (129472093) and next prime (129472103).

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 3082669 = 129472098 / (1 + 2 + 9 + 4 + 7 + 2 + 0 + 9 + 8).

It is not an unprimeable number, because it can be changed into a prime (129472093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1541293 + ... + 1541376.

It is an arithmetic number, because the mean of its divisors is an integer number (18496020).

Almost surely, 2^129472098 is an apocalyptic number.

129472098 is an abundant number, since it is smaller than the sum of its proper divisors (166464222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129472098 is a wasteful number, since it uses less digits than its factorization.

129472098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082681.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 129472098 is about 11378.5806672010. The cubic root of 129472098 is about 505.8930679588.

The spelling of 129472098 in words is "one hundred twenty-nine million, four hundred seventy-two thousand, ninety-eight".