1106531 has 2 divisors, whose sum is σ = 1106532.
Its totient is φ = 1106530.
The previous prime is 1106527. The next prime is 1106543. The reversal of 1106531 is 1356011.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1106531 - 22 = 1106527 is a prime.
It is a super-2 number, since 2×11065312 = 2448821707922, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (1109531) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553265 + 553266.
It is an arithmetic number, because the mean of its divisors is an integer number (553266).
21106531 is an apocalyptic number.
1106531 is a deficient number, since it is larger than the sum of its proper divisors (1).
1106531 is an equidigital number, since it uses as much as digits as its factorization.
1106531 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 90, while the sum is 17.
The square root of 1106531 is about 1051.9177724518.
The cubic root of 1106531 is about 103.4319061697.
The spelling of 1106531 in words is "one million, one hundred six thousand, five hundred thirty-one".