1263367345 has 8 divisors (see below), whose sum is σ = 1581955776. Its totient is φ = 966750576.

The previous prime is 1263367333. The next prime is 1263367367. The reversal of 1263367345 is 5437633621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1263367345 - 2⁹ = 1263366833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1263367298 and 1263367307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5492787 + ... + 5493016.

It is an arithmetic number, because the mean of its divisors is an integer number (197744472).

Almost surely, 2^1263367345 is an apocalyptic number.

It is an amenable number.

1263367345 is a deficient number, since it is larger than the sum of its proper divisors (318588431).

1263367345 is a wasteful number, since it uses less digits than its factorization.

1263367345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10985831.

The product of its digits is 272160, while the sum is 40.

The square root of 1263367345 is about 35543.8791495807. The cubic root of 1263367345 is about 1081.0436142775.

The spelling of 1263367345 in words is "one billion, two hundred sixty-three million, three hundred sixty-seven thousand, three hundred forty-five".