1048213897 has 8 divisors (see below), whose sum is σ = 1116008712. Its totient is φ = 981100800.

The previous prime is 1048213853. The next prime is 1048213927. The reversal of 1048213897 is 7983128401.

It can be written as a sum of positive squares in 4 ways, for example, as 135932281 + 912281616 = 11659^2 + 30204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1048213897 - 2¹¹ = 1048211849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1048213847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167254 + ... + 173407.

It is an arithmetic number, because the mean of its divisors is an integer number (139501089).

Almost surely, 2^1048213897 is an apocalyptic number.

1048213897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1048213897 is a deficient number, since it is larger than the sum of its proper divisors (67794815).

1048213897 is a wasteful number, since it uses less digits than its factorization.

1048213897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340859.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1048213897 is about 32376.1315941235. The cubic root of 1048213897 is about 1015.8197158905.

The spelling of 1048213897 in words is "one billion, forty-eight million, two hundred thirteen thousand, eight hundred ninety-seven".