1030455 has 32 divisors (see below), whose sum is σ = 1944000. Its totient is φ = 516096.

The previous prime is 1030451. The next prime is 1030493. The reversal of 1030455 is 5540301.

It is not a de Polignac number, because 1030455 - 2² = 1030451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2071 + ... + 2519.

It is an arithmetic number, because the mean of its divisors is an integer number (60750).

2^1030455 is an apocalyptic number.

1030455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1030455 is a deficient number, since it is larger than the sum of its proper divisors (913545).

1030455 is a wasteful number, since it uses less digits than its factorization.

1030455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 474 counting only the distinct ones).

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

The square root of 1030455 is about 1015.1132941697. The cubic root of 1030455 is about 101.0050319357.

Adding to 1030455 its reverse (5540301), we get a palindrome (6570756).

It can be divided in two parts, 1030 and 455, that added together give a triangular number (1485 = T₅₄).

The spelling of 1030455 in words is "one million, thirty thousand, four hundred fifty-five".