1235872 has 24 divisors (see below), whose sum is σ = 2655072. Its totient is φ = 561600.

The previous prime is 1235867. The next prime is 1235879. The reversal of 1235872 is 2785321.

It is a d-powerful number, because it can be written as 1 + 2¹⁶ + 3² + 5 + 8⁴ + 7⁶ + 2²⁰ .

It is a self number, because there is not a number n which added to its sum of digits gives 1235872.

It is not an unprimeable number, because it can be changed into a prime (1235879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404 + ... + 2107.

It is an arithmetic number, because the mean of its divisors is an integer number (110628).

2^1235872 is an apocalyptic number.

It is an amenable number.

1235872 is an abundant number, since it is smaller than the sum of its proper divisors (1419200).

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

1235872 is a wasteful number, since it uses less digits than its factorization.

1235872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532 (or 3524 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 1235872 is about 1111.6978006635. The cubic root of 1235872 is about 107.3143578027.

It can be divided in two parts, 123 and 5872, that added together give a palindrome (5995).

The spelling of 1235872 in words is "one million, two hundred thirty-five thousand, eight hundred seventy-two".