103749949 has 2 divisors, whose sum is σ = 103749950. Its totient is φ = 103749948.

The previous prime is 103749913. The next prime is 103750021. The reversal of 103749949 is 949947301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84548025 + 19201924 = 9195^2 + 4382^2 .

It is a cyclic number.

It is not a de Polignac number, because 103749949 - 2¹⁷ = 103618877 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 103749899 and 103749908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103749049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51874974 + 51874975.

It is an arithmetic number, because the mean of its divisors is an integer number (51874975).

Almost surely, 2^103749949 is an apocalyptic number.

It is an amenable number.

103749949 is a deficient number, since it is larger than the sum of its proper divisors (1).

103749949 is an equidigital number, since it uses as much as digits as its factorization.

103749949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 103749949 is about 10185.7718902398. The cubic root of 103749949 is about 469.8897417536.

The spelling of 103749949 in words is "one hundred three million, seven hundred forty-nine thousand, nine hundred forty-nine".