129103064 has 32 divisors (see below), whose sum is σ = 251803200. Its totient is φ = 62000640.

The previous prime is 129103057. The next prime is 129103087. The reversal of 129103064 is 460301921.

It is a super-2 number, since 2×129103064² = 33335202268376192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20624 + ... + 26144.

It is an arithmetic number, because the mean of its divisors is an integer number (7868850).

Almost surely, 2^129103064 is an apocalyptic number.

It is an amenable number.

129103064 is a deficient number, since it is larger than the sum of its proper divisors (122700136).

129103064 is a wasteful number, since it uses less digits than its factorization.

129103064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5643 (or 5639 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 129103064 is about 11362.3529253408. The cubic root of 129103064 is about 505.4119619846.

Adding to 129103064 its reverse (460301921), we get a palindrome (589404985).

The spelling of 129103064 in words is "one hundred twenty-nine million, one hundred three thousand, sixty-four".