1290130890 has 32 divisors (see below), whose sum is σ = 3101060160. Its totient is φ = 343507584.

The previous prime is 1290130883. The next prime is 1290130903. The reversal of 1290130890 is 980310921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12859 + ... + 52398.

It is an arithmetic number, because the mean of its divisors is an integer number (96908130).

Almost surely, 2^1290130890 is an apocalyptic number.

1290130890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1290130890 is an abundant number, since it is smaller than the sum of its proper divisors (1810929270).

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

1290130890 is a wasteful number, since it uses less digits than its factorization.

1290130890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65926.

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

The square root of 1290130890 is about 35918.3920853927. The cubic root of 1290130890 is about 1088.6240500845.

The spelling of 1290130890 in words is "one billion, two hundred ninety million, one hundred thirty thousand, eight hundred ninety".