121271330 has 16 divisors (see below), whose sum is σ = 225816120. Its totient is φ = 46835712.

The previous prime is 121271303. The next prime is 121271333. The reversal of 121271330 is 33172121.

It can be written as a sum of positive squares in 4 ways, for example, as 100741369 + 20529961 = 10037^2 + 4531^2 .

It is not an unprimeable number, because it can be changed into a prime (121271333) 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 in 7 ways as a sum of consecutive naturals, for example, 208799 + ... + 209378.

Almost surely, 2^121271330 is an apocalyptic number.

121271330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121271330 is a deficient number, since it is larger than the sum of its proper divisors (104544790).

121271330 is a wasteful number, since it uses less digits than its factorization.

121271330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418213.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 121271330 is about 11012.3262755877. The cubic root of 121271330 is about 494.9781713328.

The spelling of 121271330 in words is "one hundred twenty-one million, two hundred seventy-one thousand, three hundred thirty".