1226151745 has 48 divisors (see below), whose sum is σ = 1882718208. Its totient is φ = 759507840.

The previous prime is 1226151737. The next prime is 1226151761. The reversal of 1226151745 is 5471516221.

It is not a de Polignac number, because 1226151745 - 2³ = 1226151737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1226151745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145600 + ... + 153790.

It is an arithmetic number, because the mean of its divisors is an integer number (39223296).

Almost surely, 2^1226151745 is an apocalyptic number.

It is an amenable number.

1226151745 is a deficient number, since it is larger than the sum of its proper divisors (656566463).

1226151745 is a wasteful number, since it uses less digits than its factorization.

1226151745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270 (or 8263 counting only the distinct ones).

The product of its digits is 16800, while the sum is 34.

The square root of 1226151745 is about 35016.4496344218. The cubic root of 1226151745 is about 1070.3227096026.

Adding to 1226151745 its reverse (5471516221), we get a palindrome (6697667966).

The spelling of 1226151745 in words is "one billion, two hundred twenty-six million, one hundred fifty-one thousand, seven hundred forty-five".