1157482 has 4 divisors (see below), whose sum is σ = 1736226. Its totient is φ = 578740.

The previous prime is 1157449. The next prime is 1157489. The reversal of 1157482 is 2847511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 808201 + 349281 = 899^2 + 591^2 .

It is an Ulam number.

It is a pancake number, because a pancake can be divided into 1157482 parts by 1521 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 1157482.

It is not an unprimeable number, because it can be changed into a prime (1157489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289369 + ... + 289372.

2^1157482 is an apocalyptic number.

1157482 is a deficient number, since it is larger than the sum of its proper divisors (578744).

1157482 is an equidigital number, since it uses as much as digits as its factorization.

1157482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578743.

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

The square root of 1157482 is about 1075.8633742256. The cubic root of 1157482 is about 104.9956763148.

The spelling of 1157482 in words is "one million, one hundred fifty-seven thousand, four hundred eighty-two".