1163420 has 12 divisors (see below), whose sum is σ = 2443224. Its totient is φ = 465360.

The previous prime is 1163417. The next prime is 1163423. The reversal of 1163420 is 243611.

It is an interprime number because it is at equal distance from previous prime (1163417) and next prime (1163423).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29066 + ... + 29105.

It is an arithmetic number, because the mean of its divisors is an integer number (203602).

2^1163420 is an apocalyptic number.

1163420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163420 is an abundant number, since it is smaller than the sum of its proper divisors (1279804).

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

1163420 is a wasteful number, since it uses less digits than its factorization.

1163420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58180 (or 58178 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1163420 is about 1078.6194880494. The cubic root of 1163420 is about 105.1749163113.

The spelling of 1163420 in words is "one million, one hundred sixty-three thousand, four hundred twenty".