1012747841 has 4 divisors (see below), whose sum is σ = 1157426112. Its totient is φ = 868069572.

The previous prime is 1012747837. The next prime is 1012747843. The reversal of 1012747841 is 1487472101.

1012747841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1487472101 = 31 ⋅47982971.

It is a cyclic number.

It is not a de Polignac number, because 1012747841 - 2² = 1012747837 is a prime.

It is a super-2 number, since 2×1012747841² = 2051316378900322562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012747843) 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, 72339125 + ... + 72339138.

It is an arithmetic number, because the mean of its divisors is an integer number (289356528).

Almost surely, 2^1012747841 is an apocalyptic number.

It is an amenable number.

1012747841 is a deficient number, since it is larger than the sum of its proper divisors (144678271).

1012747841 is an equidigital number, since it uses as much as digits as its factorization.

1012747841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144678270.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 1012747841 is about 31823.6993606966. The cubic root of 1012747841 is about 1004.2313507510.

The spelling of 1012747841 in words is "one billion, twelve million, seven hundred forty-seven thousand, eight hundred forty-one".