1272348429 has 16 divisors (see below), whose sum is σ = 1851366720. Its totient is φ = 770837760.

The previous prime is 1272348419. The next prime is 1272348437. The reversal of 1272348429 is 9248432721.

It is not a de Polignac number, because 1272348429 - 2⁵ = 1272348397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272348419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116787 + ... + 127215.

It is an arithmetic number, because the mean of its divisors is an integer number (115710420).

Almost surely, 2^1272348429 is an apocalyptic number.

It is an amenable number.

1272348429 is a deficient number, since it is larger than the sum of its proper divisors (579018291).

1272348429 is a wasteful number, since it uses less digits than its factorization.

1272348429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14140.

The product of its digits is 193536, while the sum is 42.

The square root of 1272348429 is about 35669.9933978127. The cubic root of 1272348429 is about 1083.5992255483.

The spelling of 1272348429 in words is "one billion, two hundred seventy-two million, three hundred forty-eight thousand, four hundred twenty-nine".