124002047 has 4 divisors (see below), whose sum is σ = 133540680. Its totient is φ = 114463416.

The previous prime is 124002041. The next prime is 124002089. The reversal of 124002047 is 740200421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740200421 = 23 ⋅32182627.

It is a cyclic number.

It is not a de Polignac number, because 124002047 - 2⁴ = 124002031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124002041) 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, 4769297 + ... + 4769322.

It is an arithmetic number, because the mean of its divisors is an integer number (33385170).

Almost surely, 2^124002047 is an apocalyptic number.

124002047 is a deficient number, since it is larger than the sum of its proper divisors (9538633).

124002047 is an equidigital number, since it uses as much as digits as its factorization.

124002047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9538632.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 124002047 is about 11135.6206382940. The cubic root of 124002047 is about 498.6658391963.

Adding to 124002047 its reverse (740200421), we get a palindrome (864202468).

The spelling of 124002047 in words is "one hundred twenty-four million, two thousand, forty-seven".