1102768389 has 6 divisors (see below), whose sum is σ = 1592887686. Its totient is φ = 735178920.

The previous prime is 1102768333. The next prime is 1102768391. The reversal of 1102768389 is 9838672011.

It can be written as a sum of positive squares in only one way, i.e., 827540289 + 275228100 = 28767^2 + 16590^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1102768389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102768319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61264902 + ... + 61264919.

It is an arithmetic number, because the mean of its divisors is an integer number (265481281).

Almost surely, 2^1102768389 is an apocalyptic number.

It is an amenable number.

1102768389 is a deficient number, since it is larger than the sum of its proper divisors (490119297).

1102768389 is a wasteful number, since it uses less digits than its factorization.

1102768389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122529827 (or 122529824 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1102768389 is about 33207.9567122098. The cubic root of 1102768389 is about 1033.1453757223.

The spelling of 1102768389 in words is "one billion, one hundred two million, seven hundred sixty-eight thousand, three hundred eighty-nine".