1092104990 has 48 divisors (see below), whose sum is σ = 2198242800. Its totient is φ = 389486592.

The previous prime is 1092104989. The next prime is 1092104999. The reversal of 1092104990 is 994012901.

It is a self number, because there is not a number n which added to its sum of digits gives 1092104990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1092104999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44966 + ... + 64854.

It is an arithmetic number, because the mean of its divisors is an integer number (45796725).

Almost surely, 2^1092104990 is an apocalyptic number.

1092104990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1092104990 is an abundant number, since it is smaller than the sum of its proper divisors (1106137810).

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

1092104990 is a wasteful number, since it uses less digits than its factorization.

1092104990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19949 (or 19932 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 1092104990 is about 33047.0118165017. The cubic root of 1092104990 is about 1029.8045282122.

The spelling of 1092104990 in words is "one billion, ninety-two million, one hundred four thousand, nine hundred ninety".