1201722 has 16 divisors (see below), whose sum is σ = 2449440. Its totient is φ = 392912.

The previous prime is 1201709. The next prime is 1201729. The reversal of 1201722 is 2271021.

It is not an unprimeable number, because it can be changed into a prime (1201729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572 + ... + 2207.

It is an arithmetic number, because the mean of its divisors is an integer number (153090).

2^1201722 is an apocalyptic number.

1201722 is an abundant number, since it is smaller than the sum of its proper divisors (1247718).

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

1201722 is a wasteful number, since it uses less digits than its factorization.

1201722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1201722 is about 1096.2308151115. The cubic root of 1201722 is about 106.3166631253.

Adding to 1201722 its reverse (2271021), we get a palindrome (3472743).

The spelling of 1201722 in words is "one million, two hundred one thousand, seven hundred twenty-two".