1157850 has 72 divisors (see below), whose sum is σ = 3249792. Its totient is φ = 295200.

The previous prime is 1157839. The next prime is 1157851. The reversal of 1157850 is 587511.

It is not an unprimeable number, because it can be changed into a prime (1157851) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 13909 + ... + 13991.

It is an arithmetic number, because the mean of its divisors is an integer number (45136).

2^1157850 is an apocalyptic number.

1157850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624896).

1157850 is an abundant number, since it is smaller than the sum of its proper divisors (2091942).

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

1157850 is a wasteful number, since it uses less digits than its factorization.

1157850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 1157850 is about 1076.0343860677. The cubic root of 1157850 is about 105.0068022804.

It can be divided in two parts, 11578 and 50, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 1157850 in words is "one million, one hundred fifty-seven thousand, eight hundred fifty".