1159420 has 24 divisors (see below), whose sum is σ = 2520000. Its totient is φ = 447552.

The previous prime is 1159397. The next prime is 1159421. The reversal of 1159420 is 249511.

It is a junction number, because it is equal to n+sod(n) for n = 1159391 and 1159400.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420 + ... + 1579.

It is an arithmetic number, because the mean of its divisors is an integer number (105000).

2^1159420 is an apocalyptic number.

1159420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1159420 is an abundant number, since it is smaller than the sum of its proper divisors (1360580).

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

1159420 is a wasteful number, since it uses less digits than its factorization.

1159420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037 (or 2035 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1159420 is about 1076.7636695208. The cubic root of 1159420 is about 105.0542425708.

Subtracting from 1159420 its reverse (249511), we obtain a palindrome (909909).

The spelling of 1159420 in words is "one million, one hundred fifty-nine thousand, four hundred twenty".