124220351 has 4 divisors (see below), whose sum is σ = 125198592. Its totient is φ = 123242112.

The previous prime is 124220333. The next prime is 124220387. The reversal of 124220351 is 153022421.

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 124220351 - 2¹⁰ = 124219327 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 (124225351) 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, 488930 + ... + 489183.

It is an arithmetic number, because the mean of its divisors is an integer number (31299648).

Almost surely, 2^124220351 is an apocalyptic number.

124220351 is a deficient number, since it is larger than the sum of its proper divisors (978241).

124220351 is an equidigital number, since it uses as much as digits as its factorization.

124220351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978240.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 124220351 is about 11145.4183860455. The cubic root of 124220351 is about 498.9582992262.

Adding to 124220351 its reverse (153022421), we get a palindrome (277242772).

The spelling of 124220351 in words is "one hundred twenty-four million, two hundred twenty thousand, three hundred fifty-one".