1159422 has 24 divisors (see below), whose sum is σ = 2550408. Its totient is φ = 351120.

The previous prime is 1159421. The next prime is 1159423. The reversal of 1159422 is 2249511.

It is an interprime number because it is at equal distance from previous prime (1159421) and next prime (1159423).

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1159392 and 1159401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73 + ... + 1524.

It is an arithmetic number, because the mean of its divisors is an integer number (106267).

2^1159422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1159422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1275204).

1159422 is an abundant number, since it is smaller than the sum of its proper divisors (1390986).

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

1159422 is a wasteful number, since it uses less digits than its factorization.

1159422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1613 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 1159422 is about 1076.7645982293. The cubic root of 1159422 is about 105.0543029770.

The spelling of 1159422 in words is "one million, one hundred fifty-nine thousand, four hundred twenty-two".