1100400007 has 12 divisors (see below), whose sum is σ = 1283136120. Its totient is φ = 940931376.

The previous prime is 1100399999. The next prime is 1100400011. The reversal of 1100400007 is 7000040011.

It is not a de Polignac number, because 1100400007 - 2³ = 1100399999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100400007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100400047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6268 + ... + 47329.

It is an arithmetic number, because the mean of its divisors is an integer number (106928010).

Almost surely, 2^1100400007 is an apocalyptic number.

1100400007 is a deficient number, since it is larger than the sum of its proper divisors (182736113).

1100400007 is an equidigital number, since it uses as much as digits as its factorization.

1100400007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54030 (or 54023 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 1100400007 is about 33172.2776878525. The cubic root of 1100400007 is about 1032.4052273444.

Adding to 1100400007 its reverse (7000040011), we get a palindrome (8100440018).

The spelling of 1100400007 in words is "one billion, one hundred million, four hundred thousand, seven".