124872001 has 4 divisors (see below), whose sum is σ = 124895232. Its totient is φ = 124848772.

The previous prime is 124871993. The next prime is 124872023. The reversal of 124872001 is 100278421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100278421 = 73 ⋅1373677.

It is a cyclic number.

It is not a de Polignac number, because 124872001 - 2³ = 124871993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124872401) 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 3 ways as a sum of consecutive naturals, for example, 1056 + ... + 15838.

It is an arithmetic number, because the mean of its divisors is an integer number (31223808).

Almost surely, 2^124872001 is an apocalyptic number.

It is an amenable number.

124872001 is a deficient number, since it is larger than the sum of its proper divisors (23231).

124872001 is an equidigital number, since it uses as much as digits as its factorization.

124872001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23230.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 124872001 is about 11174.6141320405. The cubic root of 124872001 is about 499.8292763802.

The spelling of 124872001 in words is "one hundred twenty-four million, eight hundred seventy-two thousand, one".