1197440 has 32 divisors (see below), whose sum is σ = 2864160. Its totient is φ = 478720.

The previous prime is 1197433. The next prime is 1197451. The reversal of 1197440 is 447911.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296 + ... + 1575.

It is an arithmetic number, because the mean of its divisors is an integer number (89505).

2^1197440 is an apocalyptic number.

1197440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1197440 is an abundant number, since it is smaller than the sum of its proper divisors (1666720).

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

1197440 is an equidigital number, since it uses as much as digits as its factorization.

1197440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1197440 is about 1094.2760163688. The cubic root of 1197440 is about 106.1902362865.

The spelling of 1197440 in words is "one million, one hundred ninety-seven thousand, four hundred forty".