1201922 has 4 divisors (see below), whose sum is σ = 1802886. Its totient is φ = 600960.

The previous prime is 1201919. The next prime is 1201939. The reversal of 1201922 is 2291021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2291021 = 179 ⋅12799.

It can be written as a sum of positive squares in only one way, i.e., 942841 + 259081 = 971^2 + 509^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1201922.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300479 + ... + 300482.

2^1201922 is an apocalyptic number.

1201922 is a deficient number, since it is larger than the sum of its proper divisors (600964).

1201922 is an equidigital number, since it uses as much as digits as its factorization.

1201922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600963.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1201922 is about 1096.3220329812. The cubic root of 1201922 is about 106.3225608157.

Adding to 1201922 its reverse (2291021), we get a palindrome (3492943).

The spelling of 1201922 in words is "one million, two hundred one thousand, nine hundred twenty-two".