1189235230 has 16 divisors (see below), whose sum is σ = 2154802464. Its totient is φ = 472543200.

The previous prime is 1189235227. The next prime is 1189235231. The reversal of 1189235230 is 325329811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189235231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392277 + ... + 395296.

It is an arithmetic number, because the mean of its divisors is an integer number (134675154).

Almost surely, 2^1189235230 is an apocalyptic number.

1189235230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1189235230 is a deficient number, since it is larger than the sum of its proper divisors (965567234).

1189235230 is a wasteful number, since it uses less digits than its factorization.

1189235230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787731.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1189235230 is about 34485.2900524267. The cubic root of 1189235230 is about 1059.4714434985.

The spelling of 1189235230 in words is "one billion, one hundred eighty-nine million, two hundred thirty-five thousand, two hundred thirty".