120254409 has 32 divisors (see below), whose sum is σ = 195511680. Its totient is φ = 72446400.

The previous prime is 120254389. The next prime is 120254417. The reversal of 120254409 is 904452021.

120254409 is a `hidden beast` number, since 1 + 2 + 0 + 254 + 409 = 666.

It is not a de Polignac number, because 120254409 - 2⁵ = 120254377 is a prime.

It is a super-2 number, since 2×120254409² = 28922245767878562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (120254009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52639 + ... + 54875.

It is an arithmetic number, because the mean of its divisors is an integer number (6109740).

Almost surely, 2^120254409 is an apocalyptic number.

It is an amenable number.

120254409 is a deficient number, since it is larger than the sum of its proper divisors (75257271).

120254409 is a wasteful number, since it uses less digits than its factorization.

120254409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 120254409 is about 10966.0571309838. The cubic root of 120254409 is about 493.5907391283.

It can be divided in two parts, 1202 and 54409, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 120254409 in words is "one hundred twenty million, two hundred fifty-four thousand, four hundred nine".