1961200 has 30 divisors (see below), whose sum is σ = 4712744. Its totient is φ = 784320.

The previous prime is 1961173. The next prime is 1961213. The reversal of 1961200 is 21691.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2052 + ... + 2851.

2^1961200 is an apocalyptic number.

1961200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1961200 is an abundant number, since it is smaller than the sum of its proper divisors (2751544).

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

1961200 is a wasteful number, since it uses less digits than its factorization.

1961200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921 (or 4910 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1961200 is about 1400.4285058510. The cubic root of 1961200 is about 125.1720298040.

Adding to 1961200 its reverse (21691), we get a palindrome (1982891).

The spelling of 1961200 in words is "one million, nine hundred sixty-one thousand, two hundred".