1117512040 has 32 divisors (see below), whose sum is σ = 2623726080. Its totient is φ = 427569472.

The previous prime is 1117512029. The next prime is 1117512047. The reversal of 1117512040 is 402157111.

It is not an unprimeable number, because it can be changed into a prime (1117512047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606424 + ... + 608263.

It is an arithmetic number, because the mean of its divisors is an integer number (81991440).

Almost surely, 2^1117512040 is an apocalyptic number.

1117512040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1117512040 is an abundant number, since it is smaller than the sum of its proper divisors (1506214040).

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

1117512040 is a wasteful number, since it uses less digits than its factorization.

1117512040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214721 (or 1214717 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 1117512040 is about 33429.2093834120. The cubic root of 1117512040 is about 1037.7292789835.

Adding to 1117512040 its reverse (402157111), we get a palindrome (1519669151).

The spelling of 1117512040 in words is "one billion, one hundred seventeen million, five hundred twelve thousand, forty".