1040928247 has 4 divisors (see below), whose sum is σ = 1052624160. Its totient is φ = 1029232336.

The previous prime is 1040928211. The next prime is 1040928257. The reversal of 1040928247 is 7428290401.

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 1040928247 - 2²³ = 1032539639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040928257) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5847823 + ... + 5848000.

It is an arithmetic number, because the mean of its divisors is an integer number (263156040).

Almost surely, 2^1040928247 is an apocalyptic number.

1040928247 is a deficient number, since it is larger than the sum of its proper divisors (11695913).

1040928247 is an equidigital number, since it uses as much as digits as its factorization.

1040928247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11695912.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1040928247 is about 32263.4196420652. The cubic root of 1040928247 is about 1013.4607443696.

The spelling of 1040928247 in words is "one billion, forty million, nine hundred twenty-eight thousand, two hundred forty-seven".