1019130990 has 32 divisors (see below), whose sum is σ = 2473403040. Its totient is φ = 268713984.

The previous prime is 1019130961. The next prime is 1019131039. The reversal of 1019130990 is 990319101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188179 + ... + 193518.

It is an arithmetic number, because the mean of its divisors is an integer number (77293845).

Almost surely, 2^1019130990 is an apocalyptic number.

1019130990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1019130990 is an abundant number, since it is smaller than the sum of its proper divisors (1454272050).

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

1019130990 is a wasteful number, since it uses less digits than its factorization.

1019130990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381796.

The product of its (nonzero) digits is 2187, while the sum is 33.

The square root of 1019130990 is about 31923.8310670884. The cubic root of 1019130990 is about 1006.3367573564.

The spelling of 1019130990 in words is "one billion, nineteen million, one hundred thirty thousand, nine hundred ninety".