1157814 has 40 divisors (see below), whose sum is σ = 2967888. Its totient is φ = 330480.

The previous prime is 1157791. The next prime is 1157831. The reversal of 1157814 is 4187511.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 624 + ... + 1644.

2^1157814 is an apocalyptic number.

1157814 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 1157814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1483944).

1157814 is an abundant number, since it is smaller than the sum of its proper divisors (1810074).

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

1157814 is a wasteful number, since it uses less digits than its factorization.

1157814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1033 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 1157814 is about 1076.0176578477. The cubic root of 1157814 is about 105.0057139748.

The spelling of 1157814 in words is "one million, one hundred fifty-seven thousand, eight hundred fourteen".