1022012113 has 8 divisors (see below), whose sum is σ = 1085829480. Its totient is φ = 960099840.

The previous prime is 1022012059. The next prime is 1022012129. The reversal of 1022012113 is 3112102201.

It can be written as a sum of positive squares in 4 ways, for example, as 166332609 + 855679504 = 12897^2 + 29252^2 .

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 1022012113 - 2²⁵ = 988457681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022012093 and 1022012102.

It is not an unprimeable number, because it can be changed into a prime (1022012183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475168 + ... + 477313.

It is an arithmetic number, because the mean of its divisors is an integer number (135728685).

Almost surely, 2^1022012113 is an apocalyptic number.

It is an amenable number.

1022012113 is a deficient number, since it is larger than the sum of its proper divisors (63817367).

1022012113 is an equidigital number, since it uses as much as digits as its factorization.

1022012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952547.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1022012113 is about 31968.9241764561. The cubic root of 1022012113 is about 1007.2841828490.

Adding to 1022012113 its reverse (3112102201), we get a palindrome (4134114314).

The spelling of 1022012113 in words is "one billion, twenty-two million, twelve thousand, one hundred thirteen".