1230655119 has 4 divisors (see below), whose sum is σ = 1640873496. Its totient is φ = 820436744.

The previous prime is 1230655117. The next prime is 1230655123. The reversal of 1230655119 is 9115560321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230655119 - 2¹ = 1230655117 is a prime.

It is a super-2 number, since 2×1230655119² = 3029024043841808322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1230655119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230655117) 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, 205109184 + ... + 205109189.

It is an arithmetic number, because the mean of its divisors is an integer number (410218374).

Almost surely, 2^1230655119 is an apocalyptic number.

1230655119 is a deficient number, since it is larger than the sum of its proper divisors (410218377).

1230655119 is an equidigital number, since it uses as much as digits as its factorization.

1230655119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410218376.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 1230655119 is about 35080.6943916451. The cubic root of 1230655119 is about 1071.6314585665.

The spelling of 1230655119 in words is "one billion, two hundred thirty million, six hundred fifty-five thousand, one hundred nineteen".