1358125 has 20 divisors (see below), whose sum is σ = 1771308. Its totient is φ = 1040000.

The previous prime is 1358111. The next prime is 1358143. The reversal of 1358125 is 5218531.

1358125 = 86² + 87² + ... + 167².

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 1212201 + 145924 = 1101^2 + 382^2 .

It is a sliding number, since 1358125 = 78125 + 1280000 and 1/78125 + 1/1280000 = 0.00001358125.

It is not a de Polignac number, because 1358125 - 2¹¹ = 1356077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1358125.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 25599 + ... + 25651.

2^1358125 is an apocalyptic number.

It is an amenable number.

1358125 is a deficient number, since it is larger than the sum of its proper divisors (413183).

1358125 is an frugal number, since it uses more digits than its factorization.

1358125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 99 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 1358125 is about 1165.3862020807. The cubic root of 1358125 is about 110.7422257416.

The spelling of 1358125 in words is "one million, three hundred fifty-eight thousand, one hundred twenty-five".