124311207 has 4 divisors (see below), whose sum is σ = 165748280. Its totient is φ = 82874136.

The previous prime is 124311199. The next prime is 124311211. The reversal of 124311207 is 702113421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702113421 = 3 ⋅234037807.

It is not a de Polignac number, because 124311207 - 2³ = 124311199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124311217) 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, 20718532 + ... + 20718537.

It is an arithmetic number, because the mean of its divisors is an integer number (41437070).

Almost surely, 2^124311207 is an apocalyptic number.

124311207 is a deficient number, since it is larger than the sum of its proper divisors (41437073).

124311207 is an equidigital number, since it uses as much as digits as its factorization.

124311207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41437072.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 124311207 is about 11149.4935759433. The cubic root of 124311207 is about 499.0799172674.

Adding to 124311207 its reverse (702113421), we get a palindrome (826424628).

The spelling of 124311207 in words is "one hundred twenty-four million, three hundred eleven thousand, two hundred seven".