30402250124 has 24 divisors (see below), whose sum is σ = 53875004400. Its totient is φ = 15009857280.

The previous prime is 30402250121. The next prime is 30402250127. The reversal of 30402250124 is 42105220403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30402250121) and next prime (30402250127).

It is a self number, because there is not a number n which added to its sum of digits gives 30402250124.

It is not an unprimeable number, because it can be changed into a prime (30402250121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205304 + ... + 320864.

It is an arithmetic number, because the mean of its divisors is an integer number (2244791850).

Almost surely, 2^30402250124 is an apocalyptic number.

It is an amenable number.

30402250124 is a deficient number, since it is larger than the sum of its proper divisors (23472754276).

30402250124 is a wasteful number, since it uses less digits than its factorization.

30402250124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116393 (or 116391 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 30402250124 its reverse (42105220403), we get a palindrome (72507470527).

The spelling of 30402250124 in words is "thirty billion, four hundred two million, two hundred fifty thousand, one hundred twenty-four".