1026112249 has 4 divisors (see below), whose sum is σ = 1061495460. Its totient is φ = 990729040.

The previous prime is 1026112237. The next prime is 1026112259. The reversal of 1026112249 is 9422116201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9422116201 = 33521 ⋅281081.

It can be written as a sum of positive squares in 2 ways, for example, as 766902249 + 259210000 = 27693^2 + 16100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1026112249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1026112229) 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, 17691562 + ... + 17691619.

It is an arithmetic number, because the mean of its divisors is an integer number (265373865).

Almost surely, 2^1026112249 is an apocalyptic number.

It is an amenable number.

1026112249 is a deficient number, since it is larger than the sum of its proper divisors (35383211).

1026112249 is an equidigital number, since it uses as much as digits as its factorization.

1026112249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35383210.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1026112249 is about 32032.9868885185. The cubic root of 1026112249 is about 1008.6294022167.

The spelling of 1026112249 in words is "one billion, twenty-six million, one hundred twelve thousand, two hundred forty-nine".