1271461433 has 16 divisors (see below), whose sum is σ = 1469772864. Its totient is φ = 1087042560.

The previous prime is 1271461409. The next prime is 1271461441. The reversal of 1271461433 is 3341641721.

It is not a de Polignac number, because 1271461433 - 2²⁸ = 1003025977 is a prime.

It is a super-2 number, since 2×1271461433² = 3233228351212826978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1271461433.

It is not an unprimeable number, because it can be changed into a prime (1271461463) 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, 437441 + ... + 440337.

It is an arithmetic number, because the mean of its divisors is an integer number (91860804).

Almost surely, 2^1271461433 is an apocalyptic number.

It is an amenable number.

1271461433 is a deficient number, since it is larger than the sum of its proper divisors (198311431).

1271461433 is a wasteful number, since it uses less digits than its factorization.

1271461433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272.

The product of its digits is 12096, while the sum is 32.

The square root of 1271461433 is about 35657.5578664608. The cubic root of 1271461433 is about 1083.3473627743.

It can be divided in two parts, 12714 and 61433, that added together give a palindrome (74147).

The spelling of 1271461433 in words is "one billion, two hundred seventy-one million, four hundred sixty-one thousand, four hundred thirty-three".