450400124 has 12 divisors (see below), whose sum is σ = 791199024. Its totient is φ = 224343264.

The previous prime is 450400121. The next prime is 450400127. The reversal of 450400124 is 421004054.

It is an interprime number because it is at equal distance from previous prime (450400121) and next prime (450400127).

It is a junction number, because it is equal to n+sod(n) for n = 450400096 and 450400105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450400121) 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 3 ways as a sum of consecutive naturals, for example, 213017 + ... + 215120.

It is an arithmetic number, because the mean of its divisors is an integer number (65933252).

Almost surely, 2^450400124 is an apocalyptic number.

It is an amenable number.

450400124 is a deficient number, since it is larger than the sum of its proper divisors (340798900).

450400124 is a wasteful number, since it uses less digits than its factorization.

450400124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428404 (or 428402 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 450400124 is about 21222.6323532214. The cubic root of 450400124 is about 766.5364901432.

Adding to 450400124 its reverse (421004054), we get a palindrome (871404178).

The spelling of 450400124 in words is "four hundred fifty million, four hundred thousand, one hundred twenty-four".