1198281490 has 32 divisors (see below), whose sum is σ = 2478833280. Its totient is φ = 408539904.

The previous prime is 1198281481. The next prime is 1198281509. The reversal of 1198281490 is 941828911.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35287 + ... + 60346.

It is an arithmetic number, because the mean of its divisors is an integer number (77463540).

Almost surely, 2^1198281490 is an apocalyptic number.

1198281490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1198281490 is an abundant number, since it is smaller than the sum of its proper divisors (1280551790).

1198281490 is a wasteful number, since it uses less digits than its factorization.

1198281490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95826.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 1198281490 is about 34616.2027091361. The cubic root of 1198281490 is about 1062.1510520079.

The spelling of 1198281490 in words is "one billion, one hundred ninety-eight million, two hundred eighty-one thousand, four hundred ninety".