1047899401 has 4 divisors (see below), whose sum is σ = 1050919632. Its totient is φ = 1044879172.

The previous prime is 1047899353. The next prime is 1047899407. The reversal of 1047899401 is 1049987401.

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 1047899401 - 2¹⁷ = 1047768329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047899407) 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, 1509595 + ... + 1510288.

It is an arithmetic number, because the mean of its divisors is an integer number (262729908).

Almost surely, 2^1047899401 is an apocalyptic number.

It is an amenable number.

1047899401 is a deficient number, since it is larger than the sum of its proper divisors (3020231).

1047899401 is an equidigital number, since it uses as much as digits as its factorization.

1047899401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020230.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 1047899401 is about 32371.2743184447. The cubic root of 1047899401 is about 1015.7181134745.

The spelling of 1047899401 in words is "one billion, forty-seven million, eight hundred ninety-nine thousand, four hundred one".