1100389902 has 16 divisors (see below), whose sum is σ = 2316610560. Its totient is φ = 347491512.

The previous prime is 1100389861. The next prime is 1100389903. The reversal of 1100389902 is 2099830011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100389903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4826158 + ... + 4826385.

It is an arithmetic number, because the mean of its divisors is an integer number (144788160).

Almost surely, 2^1100389902 is an apocalyptic number.

1100389902 is an abundant number, since it is smaller than the sum of its proper divisors (1216220658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100389902 is a wasteful number, since it uses less digits than its factorization.

1100389902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9652567.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 1100389902 is about 33172.1253765869. The cubic root of 1100389902 is about 1032.4020671340.

The spelling of 1100389902 in words is "one billion, one hundred million, three hundred eighty-nine thousand, nine hundred two".