259121429 has 16 divisors (see below), whose sum is σ = 314057088. Its totient is φ = 208707072.

The previous prime is 259121419. The next prime is 259121441. The reversal of 259121429 is 924121952.

It is not a de Polignac number, because 259121429 - 2²⁰ = 258072853 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 (259121419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97097 + ... + 99729.

It is an arithmetic number, because the mean of its divisors is an integer number (19628568).

Almost surely, 2^259121429 is an apocalyptic number.

It is an amenable number.

259121429 is a deficient number, since it is larger than the sum of its proper divisors (54935659).

259121429 is a wasteful number, since it uses less digits than its factorization.

259121429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484.

The product of its digits is 12960, while the sum is 35.

The square root of 259121429 is about 16097.2491128143. The cubic root of 259121429 is about 637.5307105031.

The spelling of 259121429 in words is "two hundred fifty-nine million, one hundred twenty-one thousand, four hundred twenty-nine".