1012120841 has 4 divisors (see below), whose sum is σ = 1024315152. Its totient is φ = 999926532.

The previous prime is 1012120831. The next prime is 1012120843. The reversal of 1012120841 is 1480212101.

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: 1480212101 = 12553 ⋅117917.

It is a cyclic number.

It is not a de Polignac number, because 1012120841 - 2¹⁸ = 1011858697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012120843) 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, 6097031 + ... + 6097196.

It is an arithmetic number, because the mean of its divisors is an integer number (256078788).

Almost surely, 2^1012120841 is an apocalyptic number.

It is an amenable number.

1012120841 is a deficient number, since it is larger than the sum of its proper divisors (12194311).

1012120841 is an equidigital number, since it uses as much as digits as its factorization.

1012120841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12194310.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 1012120841 is about 31813.8466866237. The cubic root of 1012120841 is about 1004.0240655094.

Adding to 1012120841 its reverse (1480212101), we get a palindrome (2492332942).

The spelling of 1012120841 in words is "one billion, twelve million, one hundred twenty thousand, eight hundred forty-one".