1185414642 has 96 divisors (see below), whose sum is σ = 2779764480. Its totient is φ = 374306400.

The previous prime is 1185414577. The next prime is 1185414649. The reversal of 1185414642 is 2464145811.

1185414642 is a `hidden beast` number, since 1 + 1 + 8 + 5 + 4 + 1 + 4 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1185414597 and 1185414606.

It is not an unprimeable number, because it can be changed into a prime (1185414649) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2750167 + ... + 2750597.

It is an arithmetic number, because the mean of its divisors is an integer number (28955880).

Almost surely, 2^1185414642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1185414642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1389882240).

1185414642 is an abundant number, since it is smaller than the sum of its proper divisors (1594349838).

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

1185414642 is a wasteful number, since it uses less digits than its factorization.

1185414642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 520 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 1185414642 is about 34429.8510307553. The cubic root of 1185414642 is about 1058.3356585699.

The spelling of 1185414642 in words is "one billion, one hundred eighty-five million, four hundred fourteen thousand, six hundred forty-two".