1090129000 has 32 divisors (see below), whose sum is σ = 2550904200. Its totient is φ = 436051200.

The previous prime is 1090128997. The next prime is 1090129021. The reversal of 1090129000 is 9210901.

It can be written as a sum of positive squares in 4 ways, for example, as 506520036 + 583608964 = 22506^2 + 24158^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544065 + ... + 546064.

Almost surely, 2^1090129000 is an apocalyptic number.

1090129000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1090129000 is an abundant number, since it is smaller than the sum of its proper divisors (1460775200).

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

1090129000 is a wasteful number, since it uses less digits than its factorization.

1090129000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090150 (or 1090136 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1090129000 is about 33017.1016293072. The cubic root of 1090129000 is about 1029.1830641682.

Adding to 1090129000 its reverse (9210901), we get a palindrome (1099339901).

The spelling of 1090129000 in words is "one billion, ninety million, one hundred twenty-nine thousand".