11121629 has 2 divisors, whose sum is σ = 11121630. Its totient is φ = 11121628.

The previous prime is 11121613. The next prime is 11121637. The reversal of 11121629 is 92612111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8940100 + 2181529 = 2990^2 + 1477^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121629 - 2⁴ = 11121613 is a prime.

It is a super-2 number, since 2×11121629² = 247381263227282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560814 + 5560815.

It is an arithmetic number, because the mean of its divisors is an integer number (5560815).

Almost surely, 2^11121629 is an apocalyptic number.

It is an amenable number.

11121629 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121629 is an equidigital number, since it uses as much as digits as its factorization.

11121629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 23.

The square root of 11121629 is about 3334.9106434806. The cubic root of 11121629 is about 223.2147047026.

The spelling of 11121629 in words is "eleven million, one hundred twenty-one thousand, six hundred twenty-nine".