1297529429 has 16 divisors (see below), whose sum is σ = 1583357952. Its totient is φ = 1039067568.

The previous prime is 1297529407. The next prime is 1297529447. The reversal of 1297529429 is 9249257921.

It is a de Polignac number, because none of the positive numbers 2^k-1297529429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297529489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86789 + ... + 100634.

It is an arithmetic number, because the mean of its divisors is an integer number (98959872).

Almost surely, 2^1297529429 is an apocalyptic number.

It is an amenable number.

1297529429 is a deficient number, since it is larger than the sum of its proper divisors (285828523).

1297529429 is a wasteful number, since it uses less digits than its factorization.

1297529429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187496.

The product of its digits is 816480, while the sum is 50.

The square root of 1297529429 is about 36021.2358061186. The cubic root of 1297529429 is about 1090.7010693422.

The spelling of 1297529429 in words is "one billion, two hundred ninety-seven million, five hundred twenty-nine thousand, four hundred twenty-nine".