1030545 has 12 divisors (see below), whose sum is σ = 1786356. Its totient is φ = 549600.

The previous prime is 1030543. The next prime is 1030571. The reversal of 1030545 is 5450301.

It can be written as a sum of positive squares in 2 ways, for example, as 767376 + 263169 = 876^2 + 513^2 .

It is not a de Polignac number, because 1030545 - 2¹ = 1030543 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

1030545 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1030543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11406 + ... + 11495.

It is an arithmetic number, because the mean of its divisors is an integer number (148863).

2^1030545 is an apocalyptic number.

1030545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1030545 is a deficient number, since it is larger than the sum of its proper divisors (755811).

1030545 is a wasteful number, since it uses less digits than its factorization.

1030545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22912 (or 22909 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1030545 is about 1015.1576232290. The cubic root of 1030545 is about 101.0079724452.

Adding to 1030545 its reverse (5450301), we get a palindrome (6480846).

The spelling of 1030545 in words is "one million, thirty thousand, five hundred forty-five".