10120549 has 2 divisors, whose sum is σ = 10120550. Its totient is φ = 10120548.

The previous prime is 10120519. The next prime is 10120577. The reversal of 10120549 is 94502101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7924225 + 2196324 = 2815^2 + 1482^2 .

It is a cyclic number.

It is not a de Polignac number, because 10120549 - 2⁷ = 10120421 is a prime.

It is a super-2 number, since 2×10120549² = 204851024122802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10120519) 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, 5060274 + 5060275.

It is an arithmetic number, because the mean of its divisors is an integer number (5060275).

Almost surely, 2^10120549 is an apocalyptic number.

It is an amenable number.

10120549 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120549 is an equidigital number, since it uses as much as digits as its factorization.

10120549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 10120549 is about 3181.2810312828. The cubic root of 10120549 is about 216.3057298980.

The spelling of 10120549 in words is "ten million, one hundred twenty thousand, five hundred forty-nine".