1219701 has 12 divisors (see below), whose sum is σ = 1866336. Its totient is φ = 694080.

The previous prime is 1219679. The next prime is 1219703. The reversal of 1219701 is 1079121.

It is not a de Polignac number, because 1219701 - 2¹⁸ = 957557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1219703) 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 11 ways as a sum of consecutive naturals, for example, 4941 + ... + 5181.

It is an arithmetic number, because the mean of its divisors is an integer number (155528).

2^1219701 is an apocalyptic number.

It is an amenable number.

1219701 is a deficient number, since it is larger than the sum of its proper divisors (646635).

1219701 is an frugal number, since it uses more digits than its factorization.

1219701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 1219701 is about 1104.4007424844. The cubic root of 1219701 is about 106.8442430561.

Multiplying 1219701 by its sum of digits (21), we get a square (25613721 = 5061²).

1219701 divided by its sum of digits (21) gives a square (58081 = 241²).

The spelling of 1219701 in words is "one million, two hundred nineteen thousand, seven hundred one".