1236120 has 32 divisors (see below), whose sum is σ = 3708720. Its totient is φ = 329600.

The previous prime is 1236077. The next prime is 1236161. The reversal of 1236120 is 216321.

It is a hoax number, since the sum of its digits (15) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1236120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5031 + ... + 5270.

2^1236120 is an apocalyptic number.

1236120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1236120 is an abundant number, since it is smaller than the sum of its proper divisors (2472600).

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

1236120 is a wasteful number, since it uses less digits than its factorization.

1236120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10315 (or 10311 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1236120 is about 1111.8093361723. The cubic root of 1236120 is about 107.3215355095.

The spelling of 1236120 in words is "one million, two hundred thirty-six thousand, one hundred twenty".