1195920 has 120 divisors (see below), whose sum is σ = 4410432. Its totient is φ = 288000.

The previous prime is 1195919. The next prime is 1195927. The reversal of 1195920 is 295911.

1195920 = T₈₉ + T₉₀ + ... + T₁₉₈.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (1195927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7845 + ... + 7995.

2^1195920 is an apocalyptic number.

1195920 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 1195920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2205216).

1195920 is an abundant number, since it is smaller than the sum of its proper divisors (3214512).

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

1195920 is a wasteful number, since it uses less digits than its factorization.

1195920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 1195920 is about 1093.5812726999. The cubic root of 1195920 is about 106.1452855294.

Subtracting from 1195920 its reverse (295911), we obtain a palindrome (900009).

The spelling of 1195920 in words is "one million, one hundred ninety-five thousand, nine hundred twenty".