1471221272 has 32 divisors (see below), whose sum is σ = 2857204800. Its totient is φ = 709363200.

The previous prime is 1471221253. The next prime is 1471221377. The reversal of 1471221272 is 2721221741.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207872 + ... + 214832.

It is an arithmetic number, because the mean of its divisors is an integer number (89287650).

Almost surely, 2^1471221272 is an apocalyptic number.

It is an amenable number.

1471221272 is a deficient number, since it is larger than the sum of its proper divisors (1385983528).

1471221272 is a wasteful number, since it uses less digits than its factorization.

1471221272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7907 (or 7903 counting only the distinct ones).

The product of its digits is 3136, while the sum is 29.

The square root of 1471221272 is about 38356.5023431491. The cubic root of 1471221272 is about 1137.3461588348.

The spelling of 1471221272 in words is "one billion, four hundred seventy-one million, two hundred twenty-one thousand, two hundred seventy-two".