1230630190 has 32 divisors (see below), whose sum is σ = 2343997440. Its totient is φ = 463888800.

The previous prime is 1230630091. The next prime is 1230630197. The reversal of 1230630190 is 910360321.

It is a super-2 number, since 2×1230630190² = 3028901329078872200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230630197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19335 + ... + 53245.

It is an arithmetic number, because the mean of its divisors is an integer number (73249920).

Almost surely, 2^1230630190 is an apocalyptic number.

1230630190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230630190 is a deficient number, since it is larger than the sum of its proper divisors (1113367250).

1230630190 is a wasteful number, since it uses less digits than its factorization.

1230630190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34128.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1230630190 is about 35080.3390804593. The cubic root of 1230630190 is about 1071.6242226154.

The spelling of 1230630190 in words is "one billion, two hundred thirty million, six hundred thirty thousand, one hundred ninety".