1012998111 has 8 divisors (see below), whose sum is σ = 1383607344. Its totient is φ = 658860480.

The previous prime is 1012998083. The next prime is 1012998113. The reversal of 1012998111 is 1118992101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012998111 - 2⁶ = 1012998047 is a prime.

It is a super-3 number, since 3×1012998111³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012998113) 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 7 ways as a sum of consecutive naturals, for example, 4117756 + ... + 4118001.

It is an arithmetic number, because the mean of its divisors is an integer number (172950918).

Almost surely, 2^1012998111 is an apocalyptic number.

1012998111 is a deficient number, since it is larger than the sum of its proper divisors (370609233).

1012998111 is an equidigital number, since it uses as much as digits as its factorization.

1012998111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8235801.

The product of its (nonzero) digits is 1296, while the sum is 33.

The square root of 1012998111 is about 31827.6312502203. The cubic root of 1012998111 is about 1004.3140657402.

The spelling of 1012998111 in words is "one billion, twelve million, nine hundred ninety-eight thousand, one hundred eleven".