1189420662 has 8 divisors (see below), whose sum is σ = 2378841336. Its totient is φ = 396473552.

The previous prime is 1189420651. The next prime is 1189420663. The reversal of 1189420662 is 2660249811.

It is a sphenic number, since it is the product of 3 distinct primes.

1189420662 is an admirable number.

It is a super-2 number, since 2×1189420662² = 2829443022385036488, 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 1189420662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189420663) 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 3 ways as a sum of consecutive naturals, for example, 99118383 + ... + 99118394.

It is an arithmetic number, because the mean of its divisors is an integer number (297355167).

Almost surely, 2^1189420662 is an apocalyptic number.

1189420662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1189420662 is a wasteful number, since it uses less digits than its factorization.

1189420662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198236782.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1189420662 is about 34487.9785142591. The cubic root of 1189420662 is about 1059.5265068125.

The spelling of 1189420662 in words is "one billion, one hundred eighty-nine million, four hundred twenty thousand, six hundred sixty-two".