1258000 has 80 divisors (see below), whose sum is σ = 3307824. Its totient is φ = 460800.

The previous prime is 1257989. The next prime is 1258001. The reversal of 1258000 is 8521.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 65536 + 1192464 = 256^2 + 1092^2 .

It is a sliding number, since 1258000 = 8000 + 1250000 and 1/8000 + 1/1250000 = 0.0001258000.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33982 + ... + 34018.

2^1258000 is an apocalyptic number.

1258000 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 1258000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1653912).

1258000 is an abundant number, since it is smaller than the sum of its proper divisors (2049824).

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

1258000 is a wasteful number, since it uses less digits than its factorization.

1258000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1258000 is about 1121.6059914248. The cubic root of 1258000 is about 107.9510523507.

It can be divided in two parts, 125 and 8000, that multiplied together give a 6-th power (1000000 = 10⁶).

The spelling of 1258000 in words is "one million, two hundred fifty-eight thousand".