1238722 has 8 divisors (see below), whose sum is σ = 1967436. Its totient is φ = 582912.

The previous prime is 1238719. The next prime is 1238747. The reversal of 1238722 is 2278321.

It can be written as a sum of positive squares in 2 ways, for example, as 1079521 + 159201 = 1039^2 + 399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18183 + ... + 18250.

2^1238722 is an apocalyptic number.

1238722 is a deficient number, since it is larger than the sum of its proper divisors (728714).

1238722 is a wasteful number, since it uses less digits than its factorization.

1238722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36452.

The product of its digits is 1344, while the sum is 25.

The square root of 1238722 is about 1112.9788856937. The cubic root of 1238722 is about 107.3967857349.

The spelling of 1238722 in words is "one million, two hundred thirty-eight thousand, seven hundred twenty-two".