1159620 has 96 divisors (see below), whose sum is σ = 4064256. Its totient is φ = 240000.

The previous prime is 1159601. The next prime is 1159633. The reversal of 1159620 is 269511.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4495 + ... + 4745.

It is an arithmetic number, because the mean of its divisors is an integer number (42336).

2^1159620 is an apocalyptic number.

1159620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1159620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032128).

1159620 is an abundant number, since it is smaller than the sum of its proper divisors (2904636).

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

1159620 is a wasteful number, since it uses less digits than its factorization.

1159620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1159620 is about 1076.8565364058. The cubic root of 1159620 is about 105.0602828440.

The spelling of 1159620 in words is "one million, one hundred fifty-nine thousand, six hundred twenty".