124224551 has 4 divisors (see below), whose sum is σ = 135517704. Its totient is φ = 112931400.

The previous prime is 124224521. The next prime is 124224557. The reversal of 124224551 is 155422421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124224551 - 2¹⁴ = 124208167 is a prime.

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 124224551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124224557) 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, 5646560 + ... + 5646581.

It is an arithmetic number, because the mean of its divisors is an integer number (33879426).

Almost surely, 2^124224551 is an apocalyptic number.

124224551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124224551 is a deficient number, since it is larger than the sum of its proper divisors (11293153).

124224551 is a wasteful number, since it uses less digits than its factorization.

124224551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11293152.

The product of its digits is 3200, while the sum is 26.

The square root of 124224551 is about 11145.6068026824. The cubic root of 124224551 is about 498.9639225700.

Adding to 124224551 its reverse (155422421), we get a palindrome (279646972).

The spelling of 124224551 in words is "one hundred twenty-four million, two hundred twenty-four thousand, five hundred fifty-one".