30255121 has 12 divisors (see below), whose sum is σ = 34616092. Its totient is φ = 26281728.

The previous prime is 30255109. The next prime is 30255131. The reversal of 30255121 is 12155203.

It can be written as a sum of positive squares in 6 ways, for example, as 1782225 + 28472896 = 1335^2 + 5336^2 .

It is not a de Polignac number, because 30255121 - 2⁷ = 30254993 is a prime.

It is a super-3 number, since 3×30255121³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30255131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270 + ... + 7783.

Almost surely, 2^30255121 is an apocalyptic number.

It is an amenable number.

30255121 is a deficient number, since it is larger than the sum of its proper divisors (4360971).

30255121 is a wasteful number, since it uses less digits than its factorization.

30255121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8100 (or 8083 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 30255121 is about 5500.4655257533. The cubic root of 30255121 is about 311.6015658334.

The spelling of 30255121 in words is "thirty million, two hundred fifty-five thousand, one hundred twenty-one".