124311001 has 4 divisors (see below), whose sum is σ = 124367104. Its totient is φ = 124254900.

The previous prime is 124310999. The next prime is 124311007. The reversal of 124311001 is 100113421.

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.

It is a cyclic number.

It is not a de Polignac number, because 124311001 - 2¹ = 124310999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124311007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24585 + ... + 29206.

It is an arithmetic number, because the mean of its divisors is an integer number (31091776).

Almost surely, 2^124311001 is an apocalyptic number.

It is an amenable number.

124311001 is a deficient number, since it is larger than the sum of its proper divisors (56103).

124311001 is an equidigital number, since it uses as much as digits as its factorization.

124311001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56102.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 124311001 is about 11149.4843378517. The cubic root of 124311001 is about 499.0796415869.

Adding to 124311001 its reverse (100113421), we get a palindrome (224424422).

The spelling of 124311001 in words is "one hundred twenty-four million, three hundred eleven thousand, one".