272842129 has 16 divisors (see below), whose sum is σ = 340816896. Its totient is φ = 213004800.

The previous prime is 272842117. The next prime is 272842153. The reversal of 272842129 is 921248272.

It is a cyclic number.

It is not a de Polignac number, because 272842129 - 2¹⁷ = 272711057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272842729) 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, 33292 + ... + 40669.

It is an arithmetic number, because the mean of its divisors is an integer number (21301056).

Almost surely, 2^272842129 is an apocalyptic number.

It is an amenable number.

272842129 is a deficient number, since it is larger than the sum of its proper divisors (67974767).

272842129 is a wasteful number, since it uses less digits than its factorization.

272842129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74016.

The product of its digits is 32256, while the sum is 37.

The square root of 272842129 is about 16517.9335571978. The cubic root of 272842129 is about 648.5903407335.

The spelling of 272842129 in words is "two hundred seventy-two million, eight hundred forty-two thousand, one hundred twenty-nine".