124209901 has 8 divisors (see below), whose sum is σ = 129489408. Its totient is φ = 119010000.

The previous prime is 124209881. The next prime is 124209919. The reversal of 124209901 is 109902421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124209901 - 2⁹ = 124209389 is a prime.

It is a super-3 number, since 3×124209901³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124209901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124209931) 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 7 ways as a sum of consecutive naturals, for example, 16705 + ... + 22966.

It is an arithmetic number, because the mean of its divisors is an integer number (16186176).

Almost surely, 2^124209901 is an apocalyptic number.

It is an amenable number.

124209901 is a deficient number, since it is larger than the sum of its proper divisors (5279507).

124209901 is a wasteful number, since it uses less digits than its factorization.

124209901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39803.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 124209901 is about 11144.9495736858. The cubic root of 124209901 is about 498.9443072611.

The spelling of 124209901 in words is "one hundred twenty-four million, two hundred nine thousand, nine hundred one".