1230377730 has 32 divisors (see below), whose sum is σ = 2969987904. Its totient is φ = 326202816.

The previous prime is 1230377717. The next prime is 1230377767. The reversal of 1230377730 is 377730321.

It is a junction number, because it is equal to n+sod(n) for n = 1230377691 and 1230377700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113344 + ... + 123723.

It is an arithmetic number, because the mean of its divisors is an integer number (92812122).

Almost surely, 2^1230377730 is an apocalyptic number.

1230377730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230377730 is an abundant number, since it is smaller than the sum of its proper divisors (1739610174).

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

1230377730 is a wasteful number, since it uses less digits than its factorization.

1230377730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237250.

The product of its (nonzero) digits is 18522, while the sum is 33.

The square root of 1230377730 is about 35076.7405840394. The cubic root of 1230377730 is about 1071.5509374655.

The spelling of 1230377730 in words is "one billion, two hundred thirty million, three hundred seventy-seven thousand, seven hundred thirty".