1122551 has 2 divisors, whose sum is σ = 1122552. Its totient is φ = 1122550.

The previous prime is 1122533. The next prime is 1122571. The reversal of 1122551 is 1552211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122551 - 2¹⁴ = 1106167 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561275 + 561276.

It is an arithmetic number, because the mean of its divisors is an integer number (561276).

2^1122551 is an apocalyptic number.

1122551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122551 is an equidigital number, since it uses as much as digits as its factorization.

1122551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100, while the sum is 17.

The square root of 1122551 is about 1059.5050731356. The cubic root of 1122551 is about 103.9286678014.

Adding to 1122551 its reverse (1552211), we get a palindrome (2674762).

The spelling of 1122551 in words is "one million, one hundred twenty-two thousand, five hundred fifty-one".