1421748175 has 12 divisors (see below), whose sum is σ = 1763916616. Its totient is φ = 1136786400.

The previous prime is 1421748157. The next prime is 1421748187. The reversal of 1421748175 is 5718471241.

It is a happy number.

It is not a de Polignac number, because 1421748175 - 2¹⁹ = 1421223887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 35365 + ... + 63985.

Almost surely, 2^1421748175 is an apocalyptic number.

1421748175 is a deficient number, since it is larger than the sum of its proper divisors (342168441).

1421748175 is a wasteful number, since it uses less digits than its factorization.

1421748175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30618 (or 30613 counting only the distinct ones).

The product of its digits is 62720, while the sum is 40.

The square root of 1421748175 is about 37706.0761018698. The cubic root of 1421748175 is about 1124.4519272743.

The spelling of 1421748175 in words is "one billion, four hundred twenty-one million, seven hundred forty-eight thousand, one hundred seventy-five".