1173420 has 96 divisors (see below), whose sum is σ = 3810240. Its totient is φ = 299520.

The previous prime is 1173407. The next prime is 1173433. The reversal of 1173420 is 243711.

It is an interprime number because it is at equal distance from previous prime (1173407) and next prime (1173433).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1173393 and 1173402.

It is a congruent number.

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, 22114 + ... + 22166.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2^1173420 is an apocalyptic number.

1173420 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 1173420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905120).

1173420 is an abundant number, since it is smaller than the sum of its proper divisors (2636820).

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

1173420 is a wasteful number, since it uses less digits than its factorization.

1173420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1173420 is about 1083.2451246140. The cubic root of 1173420 is about 105.4753953837.

The spelling of 1173420 in words is "one million, one hundred seventy-three thousand, four hundred twenty".