1262552045 has 4 divisors (see below), whose sum is σ = 1515062460. Its totient is φ = 1010041632.

The previous prime is 1262552021. The next prime is 1262552059. The reversal of 1262552045 is 5402552621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 602113444 + 660438601 = 24538^2 + 25699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1262552045 - 2¹⁰ = 1262551021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126255200 + ... + 126255209.

It is an arithmetic number, because the mean of its divisors is an integer number (378765615).

Almost surely, 2^1262552045 is an apocalyptic number.

It is an amenable number.

1262552045 is a deficient number, since it is larger than the sum of its proper divisors (252510415).

1262552045 is an equidigital number, since it uses as much as digits as its factorization.

1262552045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252510414.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1262552045 is about 35532.4083760164. The cubic root of 1262552045 is about 1080.8110177632.

The spelling of 1262552045 in words is "one billion, two hundred sixty-two million, five hundred fifty-two thousand, forty-five".