1122246145 has 8 divisors (see below), whose sum is σ = 1350556200. Its totient is φ = 895223040.

The previous prime is 1122246127. The next prime is 1122246193. The reversal of 1122246145 is 5416422211.

It can be written as a sum of positive squares in 4 ways, for example, as 389786049 + 732460096 = 19743^2 + 27064^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-1122246145 is a prime.

It is a super-2 number, since 2×1122246145² = 2518872819934722050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319816 + ... + 323305.

It is an arithmetic number, because the mean of its divisors is an integer number (168819525).

Almost surely, 2^1122246145 is an apocalyptic number.

It is an amenable number.

1122246145 is a deficient number, since it is larger than the sum of its proper divisors (228310055).

1122246145 is an equidigital number, since it uses as much as digits as its factorization.

1122246145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643475.

The product of its digits is 3840, while the sum is 28.

The square root of 1122246145 is about 33499.9424626372. The cubic root of 1122246145 is about 1039.1925886210.

Adding to 1122246145 its reverse (5416422211), we get a palindrome (6538668356).

The spelling of 1122246145 in words is "one billion, one hundred twenty-two million, two hundred forty-six thousand, one hundred forty-five".