1190230642 has 16 divisors (see below), whose sum is σ = 1900432800. Its totient is φ = 557457120.

The previous prime is 1190230631. The next prime is 1190230649. The reversal of 1190230642 is 2460320911.

It is a self number, because there is not a number n which added to its sum of digits gives 1190230642.

It is not an unprimeable number, because it can be changed into a prime (1190230649) 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 7 ways as a sum of consecutive naturals, for example, 172584 + ... + 179347.

It is an arithmetic number, because the mean of its divisors is an integer number (118777050).

Almost surely, 2^1190230642 is an apocalyptic number.

1190230642 is a deficient number, since it is larger than the sum of its proper divisors (710202158).

1190230642 is a wasteful number, since it uses less digits than its factorization.

1190230642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352041.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1190230642 is about 34499.7194481346. The cubic root of 1190230642 is about 1059.7669601622.

The spelling of 1190230642 in words is "one billion, one hundred ninety million, two hundred thirty thousand, six hundred forty-two".