1113781007 has 8 divisors (see below), whose sum is σ = 1180838400. Its totient is φ = 1047567384.

The previous prime is 1113781001. The next prime is 1113781033. The reversal of 1113781007 is 7001873111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1113781007 - 2⁸ = 1113780751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113781001) 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, 208223 + ... + 213504.

It is an arithmetic number, because the mean of its divisors is an integer number (147604800).

Almost surely, 2^1113781007 is an apocalyptic number.

1113781007 is a deficient number, since it is larger than the sum of its proper divisors (67057393).

1113781007 is a wasteful number, since it uses less digits than its factorization.

1113781007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421885.

The product of its (nonzero) digits is 1176, while the sum is 29.

The square root of 1113781007 is about 33373.3577423669. The cubic root of 1113781007 is about 1036.5731037836.

The spelling of 1113781007 in words is "one billion, one hundred thirteen million, seven hundred eighty-one thousand, seven".