103622749 has 2 divisors, whose sum is σ = 103622750. Its totient is φ = 103622748.

The previous prime is 103622747. The next prime is 103622767. The reversal of 103622749 is 947226301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85192900 + 18429849 = 9230^2 + 4293^2 .

It is a cyclic number.

It is not a de Polignac number, because 103622749 - 2¹ = 103622747 is a prime.

It is a super-3 number, since 3×103622749³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 103622747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103622741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51811374 + 51811375.

It is an arithmetic number, because the mean of its divisors is an integer number (51811375).

Almost surely, 2^103622749 is an apocalyptic number.

It is an amenable number.

103622749 is a deficient number, since it is larger than the sum of its proper divisors (1).

103622749 is an equidigital number, since it uses as much as digits as its factorization.

103622749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 103622749 is about 10179.5259712818. The cubic root of 103622749 is about 469.6976310784.

The spelling of 103622749 in words is "one hundred three million, six hundred twenty-two thousand, seven hundred forty-nine".