1219960 has 32 divisors (see below), whose sum is σ = 3137760. Its totient is φ = 418176.

The previous prime is 1219957. The next prime is 1219961. The reversal of 1219960 is 699121.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1219961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1899 + ... + 2458.

It is an arithmetic number, because the mean of its divisors is an integer number (98055).

2^1219960 is an apocalyptic number.

1219960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1219960 is an abundant number, since it is smaller than the sum of its proper divisors (1917800).

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

1219960 is a wasteful number, since it uses less digits than its factorization.

1219960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375 (or 4371 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1219960 is about 1104.5179944211. The cubic root of 1219960 is about 106.8518052101.

It can be divided in two parts, 1 and 219960, that added together give a square (219961 = 469²).

The spelling of 1219960 in words is "one million, two hundred nineteen thousand, nine hundred sixty".