105030749 has 2 divisors, whose sum is σ = 105030750. Its totient is φ = 105030748.

The previous prime is 105030713. The next prime is 105030767. The reversal of 105030749 is 947030501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103836100 + 1194649 = 10190^2 + 1093^2 .

It is a cyclic number.

It is not a de Polignac number, because 105030749 - 2¹⁶ = 104965213 is a prime.

It is a super-2 number, since 2×105030749² = 22062916471002002, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105030799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52515374 + 52515375.

It is an arithmetic number, because the mean of its divisors is an integer number (52515375).

Almost surely, 2^105030749 is an apocalyptic number.

It is an amenable number.

105030749 is a deficient number, since it is larger than the sum of its proper divisors (1).

105030749 is an equidigital number, since it uses as much as digits as its factorization.

105030749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 105030749 is about 10248.4510536959. The cubic root of 105030749 is about 471.8154457186.

The spelling of 105030749 in words is "one hundred five million, thirty thousand, seven hundred forty-nine".