1107645 has 48 divisors (see below), whose sum is σ = 2265408. Its totient is φ = 456960.

The previous prime is 1107619. The next prime is 1107677. The reversal of 1107645 is 5467011.

It is not a de Polignac number, because 1107645 - 2⁶ = 1107581 is a prime.

1107645 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8017 + ... + 8153.

It is an arithmetic number, because the mean of its divisors is an integer number (47196).

2^1107645 is an apocalyptic number.

1107645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1107645 is an abundant number, since it is smaller than the sum of its proper divisors (1157763).

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

1107645 is a wasteful number, since it uses less digits than its factorization.

1107645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1107645 is about 1052.4471483167. The cubic root of 1107645 is about 103.4666045493.

The spelling of 1107645 in words is "one million, one hundred seven thousand, six hundred forty-five".