129943053 has 12 divisors (see below), whose sum is σ = 198736668. Its totient is φ = 81532800.

The previous prime is 129943039. The next prime is 129943061. The reversal of 129943053 is 350349921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106874244 + 23068809 = 10338^2 + 4803^2 .

It is not a de Polignac number, because 129943053 - 2¹² = 129938957 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 129942999 and 129943017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129943013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424498 + ... + 424803.

It is an arithmetic number, because the mean of its divisors is an integer number (16561389).

Almost surely, 2^129943053 is an apocalyptic number.

It is an amenable number.

129943053 is a deficient number, since it is larger than the sum of its proper divisors (68793615).

129943053 is a wasteful number, since it uses less digits than its factorization.

129943053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849324 (or 849321 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 129943053 is about 11399.2566862932. The cubic root of 129943053 is about 506.5057213776.

The spelling of 129943053 in words is "one hundred twenty-nine million, nine hundred forty-three thousand, fifty-three".