124421402 has 32 divisors (see below), whose sum is σ = 227525760. Its totient is φ = 49812480.

The previous prime is 124421393. The next prime is 124421413. The reversal of 124421402 is 204124421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31202 + ... + 34962.

It is an arithmetic number, because the mean of its divisors is an integer number (7110180).

Almost surely, 2^124421402 is an apocalyptic number.

124421402 is a deficient number, since it is larger than the sum of its proper divisors (103104358).

124421402 is a wasteful number, since it uses less digits than its factorization.

124421402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 124421402 is about 11154.4341855605. The cubic root of 124421402 is about 499.2273426162.

Adding to 124421402 its reverse (204124421), we get a palindrome (328545823).

The spelling of 124421402 in words is "one hundred twenty-four million, four hundred twenty-one thousand, four hundred two".