1164023250 has 128 divisors (see below), whose sum is σ = 3147475968. Its totient is φ = 284832000.

The previous prime is 1164023249. The next prime is 1164023297. The reversal of 1164023250 is 523204611.

It is a self number, because there is not a number n which added to its sum of digits gives 1164023250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2700535 + ... + 2700965.

It is an arithmetic number, because the mean of its divisors is an integer number (24589656).

Almost surely, 2^1164023250 is an apocalyptic number.

1164023250 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 1164023250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573737984).

1164023250 is an abundant number, since it is smaller than the sum of its proper divisors (1983452718).

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

1164023250 is a wasteful number, since it uses less digits than its factorization.

1164023250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1164023250 is about 34117.7849515469. The cubic root of 1164023250 is about 1051.9309140587.

Adding to 1164023250 its reverse (523204611), we get a palindrome (1687227861).

The spelling of 1164023250 in words is "one billion, one hundred sixty-four million, twenty-three thousand, two hundred fifty".