129803157 has 12 divisors (see below), whose sum is σ = 204538464. Its totient is φ = 78668520.

The previous prime is 129803147. The next prime is 129803161. The reversal of 129803157 is 751308921.

It is not a de Polignac number, because 129803157 - 2¹¹ = 129801109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129803147) 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, 655473 + ... + 655670.

It is an arithmetic number, because the mean of its divisors is an integer number (17044872).

Almost surely, 2^129803157 is an apocalyptic number.

It is an amenable number.

129803157 is a deficient number, since it is larger than the sum of its proper divisors (74735307).

129803157 is a wasteful number, since it uses less digits than its factorization.

129803157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311160 (or 1311157 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 129803157 is about 11393.1188442849. The cubic root of 129803157 is about 506.3238889865.

The spelling of 129803157 in words is "one hundred twenty-nine million, eight hundred three thousand, one hundred fifty-seven".