1361021104 has 20 divisors (see below), whose sum is σ = 2640467160. Its totient is φ = 679610240.

The previous prime is 1361021093. The next prime is 1361021119. The reversal of 1361021104 is 4011201631.

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 3 ways as a sum of consecutive naturals, for example, 43714 + ... + 68065.

It is an arithmetic number, because the mean of its divisors is an integer number (132023358).

Almost surely, 2^1361021104 is an apocalyptic number.

It is an amenable number.

1361021104 is a deficient number, since it is larger than the sum of its proper divisors (1279446056).

1361021104 is a wasteful number, since it uses less digits than its factorization.

1361021104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112548 (or 112542 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1361021104 is about 36892.0195164212. The cubic root of 1361021104 is about 1108.2088646902.

Adding to 1361021104 its reverse (4011201631), we get a palindrome (5372222735).

The spelling of 1361021104 in words is "one billion, three hundred sixty-one million, twenty-one thousand, one hundred four".