1122250 has 24 divisors (see below), whose sum is σ = 2132676. Its totient is φ = 442200.

The previous prime is 1122241. The next prime is 1122259. The reversal of 1122250 is 522211.

It is an interprime number because it is at equal distance from previous prime (1122241) and next prime (1122259).

It can be written as a sum of positive squares in 2 ways, for example, as 758641 + 363609 = 871^2 + 603^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122250.

It is not an unprimeable number, because it can be changed into a prime (1122259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16717 + ... + 16783.

2^1122250 is an apocalyptic number.

1122250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122250 is a deficient number, since it is larger than the sum of its proper divisors (1010426).

1122250 is an frugal number, since it uses more digits than its factorization.

1122250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1122250 is about 1059.3630161564. The cubic root of 1122250 is about 103.9193778521.

Multiplying 1122250 by its product of nonzero digits (40), we get a square (44890000 = 6700²).

Adding to 1122250 its reverse (522211), we get a palindrome (1644461).

The spelling of 1122250 in words is "one million, one hundred twenty-two thousand, two hundred fifty".