1150534420 has 96 divisors (see below), whose sum is σ = 2824819200. Its totient is φ = 385482240.

The previous prime is 1150534409. The next prime is 1150534439. The reversal of 1150534420 is 244350511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1699122 + ... + 1699798.

It is an arithmetic number, because the mean of its divisors is an integer number (29425200).

Almost surely, 2^1150534420 is an apocalyptic number.

1150534420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150534420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1412409600).

1150534420 is an abundant number, since it is smaller than the sum of its proper divisors (1674284780).

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

1150534420 is a wasteful number, since it uses less digits than its factorization.

1150534420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1150534420 is about 33919.5285934224. The cubic root of 1150534420 is about 1047.8518197054.

Adding to 1150534420 its reverse (244350511), we get a palindrome (1394884931).

The spelling of 1150534420 in words is "one billion, one hundred fifty million, five hundred thirty-four thousand, four hundred twenty".