1258330 has 16 divisors (see below), whose sum is σ = 2363904. Its totient is φ = 481360.

The previous prime is 1258319. The next prime is 1258337. The reversal of 1258330 is 338521.

It is an Ulam number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1258337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2506 + ... + 2965.

It is an arithmetic number, because the mean of its divisors is an integer number (147744).

2^1258330 is an apocalyptic number.

1258330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1258330 is a deficient number, since it is larger than the sum of its proper divisors (1105574).

1258330 is a wasteful number, since it uses less digits than its factorization.

1258330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1258330 is about 1121.7530922623. The cubic root of 1258330 is about 107.9604908066.

The spelling of 1258330 in words is "one million, two hundred fifty-eight thousand, three hundred thirty".