1111246040 has 32 divisors (see below), whose sum is σ = 2501264880. Its totient is φ = 444327552.

The previous prime is 1111246013. The next prime is 1111246043. The reversal of 1111246040 is 406421111.

It is a super-2 number, since 2×1111246040² = 2469735522831363200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111246043) 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, 176222 + ... + 182418.

Almost surely, 2^1111246040 is an apocalyptic number.

1111246040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111246040 is an abundant number, since it is smaller than the sum of its proper divisors (1390018840).

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

1111246040 is a wasteful number, since it uses less digits than its factorization.

1111246040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10691 (or 10687 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1111246040 is about 33335.3572052258. The cubic root of 1111246040 is about 1035.7860924973.

Adding to 1111246040 its reverse (406421111), we get a palindrome (1517667151).

The spelling of 1111246040 in words is "one billion, one hundred eleven million, two hundred forty-six thousand, forty".