1263060345 has 16 divisors (see below), whose sum is σ = 2090583360. Its totient is φ = 650403264.

The previous prime is 1263060329. The next prime is 1263060347. The reversal of 1263060345 is 5430603621.

It is not a de Polignac number, because 1263060345 - 2⁴ = 1263060329 is a prime.

It is a super-2 number, since 2×1263060345² = 3190642870223038050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1263060347) 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, 1451359 + ... + 1452228.

It is an arithmetic number, because the mean of its divisors is an integer number (130661460).

Almost surely, 2^1263060345 is an apocalyptic number.

1263060345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1263060345 is a deficient number, since it is larger than the sum of its proper divisors (827523015).

1263060345 is a wasteful number, since it uses less digits than its factorization.

1263060345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903624.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1263060345 is about 35539.5602814666. The cubic root of 1263060345 is about 1080.9560421560.

Adding to 1263060345 its reverse (5430603621), we get a palindrome (6693663966).

The spelling of 1263060345 in words is "one billion, two hundred sixty-three million, sixty thousand, three hundred forty-five".