129848031 has 12 divisors (see below), whose sum is σ = 189312552. Its totient is φ = 85755696.

The previous prime is 129848029. The next prime is 129848099. The reversal of 129848031 is 130848921.

It is not a de Polignac number, because 129848031 - 2¹ = 129848029 is a prime.

It is a super-2 number, since 2×129848031² = 33721022309153922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129848231) 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, 66456 + ... + 68381.

It is an arithmetic number, because the mean of its divisors is an integer number (15776046).

Almost surely, 2^129848031 is an apocalyptic number.

129848031 is a deficient number, since it is larger than the sum of its proper divisors (59464521).

129848031 is a wasteful number, since it uses less digits than its factorization.

129848031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134950 (or 134947 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 129848031 is about 11395.0880207219. The cubic root of 129848031 is about 506.3822290171.

The spelling of 129848031 in words is "one hundred twenty-nine million, eight hundred forty-eight thousand, thirty-one".