891048103 has 4 divisors (see below), whose sum is σ = 972052488. Its totient is φ = 810043720.

The previous prime is 891048101. The next prime is 891048127. The reversal of 891048103 is 301840198.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 891048103 - 2¹ = 891048101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891048101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40502176 + ... + 40502197.

It is an arithmetic number, because the mean of its divisors is an integer number (243013122).

Almost surely, 2^891048103 is an apocalyptic number.

891048103 is a deficient number, since it is larger than the sum of its proper divisors (81004385).

891048103 is a wasteful number, since it uses less digits than its factorization.

891048103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81004384.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 891048103 is about 29850.4288578908. The cubic root of 891048103 is about 962.2776154126.

The spelling of 891048103 in words is "eight hundred ninety-one million, forty-eight thousand, one hundred three".