1230709930 has 8 divisors (see below), whose sum is σ = 2215277892. Its totient is φ = 492283968.

The previous prime is 1230709919. The next prime is 1230709939. The reversal of 1230709930 is 399070321.

It can be written as a sum of positive squares in 2 ways, for example, as 1045940281 + 184769649 = 32341^2 + 13593^2 .

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 (1230709939) 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, 61535487 + ... + 61535506.

Almost surely, 2^1230709930 is an apocalyptic number.

1230709930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230709930 is a deficient number, since it is larger than the sum of its proper divisors (984567962).

1230709930 is a wasteful number, since it uses less digits than its factorization.

1230709930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123071000.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 1230709930 is about 35081.4755961034. The cubic root of 1230709930 is about 1071.6473677949.

The spelling of 1230709930 in words is "one billion, two hundred thirty million, seven hundred nine thousand, nine hundred thirty".