1201923 has 12 divisors (see below), whose sum is σ = 1758120. Its totient is φ = 791136.

The previous prime is 1201919. The next prime is 1201939. The reversal of 1201923 is 3291021.

It is a happy number.

It is not a de Polignac number, because 1201923 - 2² = 1201919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201896 and 1201905.

It is not an unprimeable number, because it can be changed into a prime (1201523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58 + ... + 1551.

It is an arithmetic number, because the mean of its divisors is an integer number (146510).

2^1201923 is an apocalyptic number.

1201923 is a deficient number, since it is larger than the sum of its proper divisors (556197).

1201923 is a wasteful number, since it uses less digits than its factorization.

1201923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1201923 is about 1096.3224890515. The cubic root of 1201923 is about 106.3225903025.

Adding to 1201923 its reverse (3291021), we get a palindrome (4492944).

The spelling of 1201923 in words is "one million, two hundred one thousand, nine hundred twenty-three".