1047146401 has 4 divisors (see below), whose sum is σ = 1196738752. Its totient is φ = 897554052.

The previous prime is 1047146357. The next prime is 1047146407. The reversal of 1047146401 is 1046417401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1047146401 - 2¹¹ = 1047144353 is a prime.

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 1047146401.

It is not an unprimeable number, because it can be changed into a prime (1047146407) 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 3 ways as a sum of consecutive naturals, for example, 74796165 + ... + 74796178.

It is an arithmetic number, because the mean of its divisors is an integer number (299184688).

Almost surely, 2^1047146401 is an apocalyptic number.

It is an amenable number.

1047146401 is a deficient number, since it is larger than the sum of its proper divisors (149592351).

1047146401 is an equidigital number, since it uses as much as digits as its factorization.

1047146401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149592350.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1047146401 is about 32359.6415462224. The cubic root of 1047146401 is about 1015.4747634575.

Subtracting from 1047146401 its reverse (1046417401), we obtain a cube (729000 = 90³).

The spelling of 1047146401 in words is "one billion, forty-seven million, one hundred forty-six thousand, four hundred one".