1194921 has 24 divisors (see below), whose sum is σ = 2125760. Its totient is φ = 629856.

The previous prime is 1194917. The next prime is 1194923. The reversal of 1194921 is 1294911.

It is not a de Polignac number, because 1194921 - 2² = 1194917 is a prime.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (1194923) 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 23 ways as a sum of consecutive naturals, for example, 90 + ... + 1548.

2^1194921 is an apocalyptic number.

It is an amenable number.

1194921 is a deficient number, since it is larger than the sum of its proper divisors (930839).

1194921 is a wasteful number, since it uses less digits than its factorization.

1194921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1482 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 1194921 is about 1093.1244210976. The cubic root of 1194921 is about 106.1157214894.

The spelling of 1194921 in words is "one million, one hundred ninety-four thousand, nine hundred twenty-one".