1363128105 has 16 divisors (see below), whose sum is σ = 2201390784. Its totient is φ = 720206400.

The previous prime is 1363128101. The next prime is 1363128121. The reversal of 1363128105 is 5018213631.

It is not a de Polignac number, because 1363128105 - 2² = 1363128101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1363128101) 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, 423046 + ... + 426255.

It is an arithmetic number, because the mean of its divisors is an integer number (137586924).

Almost surely, 2^1363128105 is an apocalyptic number.

1363128105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1363128105 is a deficient number, since it is larger than the sum of its proper divisors (838262679).

1363128105 is a wasteful number, since it uses less digits than its factorization.

1363128105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849416.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1363128105 is about 36920.5647979551. The cubic root of 1363128105 is about 1108.7804436995.

The spelling of 1363128105 in words is "one billion, three hundred sixty-three million, one hundred twenty-eight thousand, one hundred five".