1107681 has 8 divisors (see below), whose sum is σ = 1554720. Its totient is φ = 699552.

The previous prime is 1107679. The next prime is 1107721. The reversal of 1107681 is 1867011.

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

It is not a de Polignac number, because 1107681 - 2¹ = 1107679 is a prime.

It is a super-2 number, since 2×1107681² = 2453914395522, which contains 22 as substring.

1107681 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1107581) 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, 9660 + ... + 9773.

It is an arithmetic number, because the mean of its divisors is an integer number (194340).

2^1107681 is an apocalyptic number.

It is an amenable number.

1107681 is a deficient number, since it is larger than the sum of its proper divisors (447039).

1107681 is a wasteful number, since it uses less digits than its factorization.

1107681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19455.

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 1107681 is about 1052.4642511744. The cubic root of 1107681 is about 103.4677254733.

The spelling of 1107681 in words is "one million, one hundred seven thousand, six hundred eighty-one".