124220402 has 8 divisors (see below), whose sum is σ = 187073712. Its totient is φ = 61862500.

The previous prime is 124220399. The next prime is 124220419. The reversal of 124220402 is 204022421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123224 + ... + 124227.

It is an arithmetic number, because the mean of its divisors is an integer number (23384214).

Almost surely, 2^124220402 is an apocalyptic number.

124220402 is a deficient number, since it is larger than the sum of its proper divisors (62853310).

124220402 is a wasteful number, since it uses less digits than its factorization.

124220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247704.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 124220402 is about 11145.4206739809. The cubic root of 124220402 is about 498.9583675104.

Adding to 124220402 its reverse (204022421), we get a palindrome (328242823).

The spelling of 124220402 in words is "one hundred twenty-four million, two hundred twenty thousand, four hundred two".