1421472172 has 12 divisors (see below), whose sum is σ = 2488227840. Its totient is φ = 710549936.

The previous prime is 1421472167. The next prime is 1421472229. The reversal of 1421472172 is 2712741241.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28588 + ... + 60499.

It is an arithmetic number, because the mean of its divisors is an integer number (207352320).

Almost surely, 2^1421472172 is an apocalyptic number.

It is an amenable number.

1421472172 is a deficient number, since it is larger than the sum of its proper divisors (1066755668).

1421472172 is a wasteful number, since it uses less digits than its factorization.

1421472172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93080 (or 93078 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 1421472172 is about 37702.4159968562. The cubic root of 1421472172 is about 1124.3791595377.

The spelling of 1421472172 in words is "one billion, four hundred twenty-one million, four hundred seventy-two thousand, one hundred seventy-two".