1157394 has 32 divisors (see below), whose sum is σ = 2802816. Its totient is φ = 311040.

The previous prime is 1157393. The next prime is 1157413. The reversal of 1157394 is 4937511.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1157393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97 + ... + 1524.

It is an arithmetic number, because the mean of its divisors is an integer number (87588).

2^1157394 is an apocalyptic number.

1157394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401408).

1157394 is an abundant number, since it is smaller than the sum of its proper divisors (1645422).

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

1157394 is a wasteful number, since it uses less digits than its factorization.

1157394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650.

The product of its digits is 3780, while the sum is 30.

The square root of 1157394 is about 1075.8224760619. The cubic root of 1157394 is about 104.9930154084.

It can be divided in two parts, 1157 and 394, that added together give a palindrome (1551).

The spelling of 1157394 in words is "one million, one hundred fifty-seven thousand, three hundred ninety-four".