1236125 has 32 divisors (see below), whose sum is σ = 1797120. Its totient is φ = 840000.

The previous prime is 1236077. The next prime is 1236161. The reversal of 1236125 is 5216321.

It is a de Polignac number, because none of the positive numbers 2^k-1236125 is a prime.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1236097 and 1236106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39860 + ... + 39890.

It is an arithmetic number, because the mean of its divisors is an integer number (56160).

2^1236125 is an apocalyptic number.

It is an amenable number.

1236125 is a deficient number, since it is larger than the sum of its proper divisors (560995).

1236125 is a wasteful number, since it uses less digits than its factorization.

1236125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 76 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 1236125 is about 1111.8115847571. The cubic root of 1236125 is about 107.3216802115.

The spelling of 1236125 in words is "one million, two hundred thirty-six thousand, one hundred twenty-five".