1157288 has 16 divisors (see below), whose sum is σ = 2367360. Its totient is φ = 526000.

The previous prime is 1157279. The next prime is 1157293. The reversal of 1157288 is 8827511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6488 + ... + 6663.

It is an arithmetic number, because the mean of its divisors is an integer number (147960).

2^1157288 is an apocalyptic number.

It is an amenable number.

1157288 is an abundant number, since it is smaller than the sum of its proper divisors (1210072).

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

1157288 is a wasteful number, since it uses less digits than its factorization.

1157288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13168 (or 13164 counting only the distinct ones).

The product of its digits is 4480, while the sum is 32.

The square root of 1157288 is about 1075.7732103004. The cubic root of 1157288 is about 104.9898100467.

The spelling of 1157288 in words is "one million, one hundred fifty-seven thousand, two hundred eighty-eight".