1107432 has 40 divisors (see below), whose sum is σ = 3103650. Its totient is φ = 368928.

The previous prime is 1107419. The next prime is 1107433. The reversal of 1107432 is 2347011.

It can be written as a sum of positive squares in only one way, i.e., 1052676 + 54756 = 1026^2 + 234^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1107433) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 207 + ... + 1502.

2^1107432 is an apocalyptic number.

1107432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1107432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1551825).

1107432 is an abundant number, since it is smaller than the sum of its proper divisors (1996218).

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

1107432 is a wasteful number, since it uses less digits than its factorization.

1107432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1107432 is about 1052.3459507215. The cubic root of 1107432 is about 103.4599719190.

The spelling of 1107432 in words is "one million, one hundred seven thousand, four hundred thirty-two".