1164142530 has 96 divisors (see below), whose sum is σ = 3205972224. Its totient is φ = 303803136.

The previous prime is 1164142519. The next prime is 1164142531. The reversal of 1164142530 is 352414611.

It is a happy number.

1164142530 is a `hidden beast` number, since 11 + 641 + 4 + 2 + 5 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1164142494 and 1164142503.

It is not an unprimeable number, because it can be changed into a prime (1164142531) 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, 109114 + ... + 119306.

It is an arithmetic number, because the mean of its divisors is an integer number (33395544).

Almost surely, 2^1164142530 is an apocalyptic number.

1164142530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1164142530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1602986112).

1164142530 is an abundant number, since it is smaller than the sum of its proper divisors (2041829694).

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

1164142530 is a wasteful number, since it uses less digits than its factorization.

1164142530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10262 (or 10250 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1164142530 is about 34119.5329686677. The cubic root of 1164142530 is about 1051.9668440494.

The spelling of 1164142530 in words is "one billion, one hundred sixty-four million, one hundred forty-two thousand, five hundred thirty".