1153072 has 20 divisors (see below), whose sum is σ = 2352280. Its totient is φ = 546048.

The previous prime is 1153063. The next prime is 1153073. The reversal of 1153072 is 2703511.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1153073) 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 3 ways as a sum of consecutive naturals, for example, 1593 + ... + 2200.

It is an arithmetic number, because the mean of its divisors is an integer number (117614).

2^1153072 is an apocalyptic number.

It is an amenable number.

1153072 is an abundant number, since it is smaller than the sum of its proper divisors (1199208).

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

1153072 is a wasteful number, since it uses less digits than its factorization.

1153072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820 (or 3814 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1153072 is about 1073.8119015917. The cubic root of 1153072 is about 104.8621622936.

Adding to 1153072 its reverse (2703511), we get a palindrome (3856583).

The spelling of 1153072 in words is "one million, one hundred fifty-three thousand, seventy-two".