1182981490 has 8 divisors (see below), whose sum is σ = 2129366700. Its totient is φ = 473192592.

The previous prime is 1182981473. The next prime is 1182981497. The reversal of 1182981490 is 941892811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1182878449 + 103041 = 34393^2 + 321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1182981497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59149065 + ... + 59149084.

Almost surely, 2^1182981490 is an apocalyptic number.

1182981490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1182981490 is a deficient number, since it is larger than the sum of its proper divisors (946385210).

1182981490 is a wasteful number, since it uses less digits than its factorization.

1182981490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118298156.

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

The square root of 1182981490 is about 34394.4979611565. The cubic root of 1182981490 is about 1057.6110582765.

The spelling of 1182981490 in words is "one billion, one hundred eighty-two million, nine hundred eighty-one thousand, four hundred ninety".