1301111045 has 16 divisors (see below), whose sum is σ = 1713165552. Its totient is φ = 942689280.

The previous prime is 1301111039. The next prime is 1301111101. The reversal of 1301111045 is 5401111031.

It can be written as a sum of positive squares in 8 ways, for example, as 73239364 + 1227871681 = 8558^2 + 35041^2 .

It is not a de Polignac number, because 1301111045 - 2¹⁶ = 1301045509 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 185396 + ... + 192285.

It is an arithmetic number, because the mean of its divisors is an integer number (107072847).

Almost surely, 2^1301111045 is an apocalyptic number.

It is an amenable number.

1301111045 is a deficient number, since it is larger than the sum of its proper divisors (412054507).

1301111045 is a wasteful number, since it uses less digits than its factorization.

1301111045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377752.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 1301111045 is about 36070.9168860455. The cubic root of 1301111045 is about 1091.7037141698.

Adding to 1301111045 its reverse (5401111031), we get a palindrome (6702222076).

The spelling of 1301111045 in words is "one billion, three hundred one million, one hundred eleven thousand, forty-five".