1122738 has 8 divisors (see below), whose sum is σ = 2245488. Its totient is φ = 374244.

The previous prime is 1122721. The next prime is 1122739. The reversal of 1122738 is 8372211.

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

1122738 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1122739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93556 + ... + 93567.

It is an arithmetic number, because the mean of its divisors is an integer number (280686).

2^1122738 is an apocalyptic number.

1122738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1122738 is a wasteful number, since it uses less digits than its factorization.

1122738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187128.

The product of its digits is 672, while the sum is 24.

The square root of 1122738 is about 1059.5933182122. The cubic root of 1122738 is about 103.9344384618.

Adding to 1122738 its reverse (8372211), we get a palindrome (9494949).

It can be divided in two parts, 112 and 2738, that added together give a triangular number (2850 = T₇₅).

The spelling of 1122738 in words is "one million, one hundred twenty-two thousand, seven hundred thirty-eight".