1011430032 has 80 divisors (see below), whose sum is σ = 2666496000. Its totient is φ = 330293376.

The previous prime is 1011430009. The next prime is 1011430033. The reversal of 1011430032 is 2300341101.

It is a junction number, because it is equal to n+sod(n) for n = 1011429993 and 1011430020.

It is not an unprimeable number, because it can be changed into a prime (1011430033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504969 + ... + 506967.

It is an arithmetic number, because the mean of its divisors is an integer number (33331200).

Almost surely, 2^1011430032 is an apocalyptic number.

1011430032 is a gapful number since it is divisible by the number (12) 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 1011430032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333248000).

1011430032 is an abundant number, since it is smaller than the sum of its proper divisors (1655065968).

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

1011430032 is a wasteful number, since it uses less digits than its factorization.

1011430032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220 (or 2214 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1011430032 is about 31802.9877841690. The cubic root of 1011430032 is about 1003.7955859668.

Adding to 1011430032 its reverse (2300341101), we get a palindrome (3311771133).

The spelling of 1011430032 in words is "one billion, eleven million, four hundred thirty thousand, thirty-two".