1126305245 has 16 divisors (see below), whose sum is σ = 1456306992. Its totient is φ = 831290880.

The previous prime is 1126305241. The next prime is 1126305251. The reversal of 1126305245 is 5425036211.

It can be written as a sum of positive squares in 8 ways, for example, as 346443769 + 779861476 = 18613^2 + 27926^2 .

It is not a de Polignac number, because 1126305245 - 2² = 1126305241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126305241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167855 + ... + 174435.

It is an arithmetic number, because the mean of its divisors is an integer number (91019187).

Almost surely, 2^1126305245 is an apocalyptic number.

It is an amenable number.

1126305245 is a deficient number, since it is larger than the sum of its proper divisors (330001747).

1126305245 is a wasteful number, since it uses less digits than its factorization.

1126305245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9232.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1126305245 is about 33560.4714656990. The cubic root of 1126305245 is about 1040.4439811084.

The spelling of 1126305245 in words is "one billion, one hundred twenty-six million, three hundred five thousand, two hundred forty-five".