1045380 has 96 divisors (see below), whose sum is σ = 3548160. Its totient is φ = 224640.

The previous prime is 1045367. The next prime is 1045391. The reversal of 1045380 is 835401.

1045380 is nontrivially palindromic in base 11.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7915 + ... + 8045.

It is an arithmetic number, because the mean of its divisors is an integer number (36960).

2^1045380 is an apocalyptic number.

1045380 is a gapful number since it is divisible by the number (10) 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 1045380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1774080).

1045380 is an abundant number, since it is smaller than the sum of its proper divisors (2502780).

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

1045380 is a wasteful number, since it uses less digits than its factorization.

1045380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1045380 is about 1022.4382621948. The cubic root of 1045380 is about 101.4903450416.

Adding to 1045380 its sum of digits (21), we get a palindrome (1045401).

The spelling of 1045380 in words is "one million, forty-five thousand, three hundred eighty".