1230530490 has 96 divisors (see below), whose sum is σ = 3661706880. Its totient is φ = 280858752.

The previous prime is 1230530471. The next prime is 1230530503. The reversal of 1230530490 is 940350321.

1230530490 is a `hidden beast` number, since 12 + 30 + 530 + 4 + 90 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 778521 + ... + 780099.

It is an arithmetic number, because the mean of its divisors is an integer number (38142780).

Almost surely, 2^1230530490 is an apocalyptic number.

1230530490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230530490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1830853440).

1230530490 is an abundant number, since it is smaller than the sum of its proper divisors (2431176390).

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

1230530490 is a wasteful number, since it uses less digits than its factorization.

1230530490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836 (or 2833 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 1230530490 is about 35078.9180277842. The cubic root of 1230530490 is about 1071.5952824780.

The spelling of 1230530490 in words is "one billion, two hundred thirty million, five hundred thirty thousand, four hundred ninety".