1158472 has 32 divisors (see below), whose sum is σ = 2517120. Its totient is φ = 489600.

The previous prime is 1158467. The next prime is 1158473. The reversal of 1158472 is 2748511.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1158472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7597 + ... + 7747.

It is an arithmetic number, because the mean of its divisors is an integer number (78660).

2^1158472 is an apocalyptic number.

It is an amenable number.

1158472 is an abundant number, since it is smaller than the sum of its proper divisors (1358648).

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

1158472 is a wasteful number, since it uses less digits than its factorization.

1158472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 297 counting only the distinct ones).

The product of its digits is 2240, while the sum is 28.

The square root of 1158472 is about 1076.3233714828. The cubic root of 1158472 is about 105.0256022225.

The spelling of 1158472 in words is "one million, one hundred fifty-eight thousand, four hundred seventy-two".