124321820378 has 16 divisors (see below), whose sum is σ = 213172914240. Its totient is φ = 53268331776.

The previous prime is 124321820327. The next prime is 124321820383. The reversal of 124321820378 is 873028123421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975176 + ... + 1095267.

It is an arithmetic number, because the mean of its divisors is an integer number (13323307140).

Almost surely, 2^124321820378 is an apocalyptic number.

124321820378 is a deficient number, since it is larger than the sum of its proper divisors (88851093862).

124321820378 is a wasteful number, since it uses less digits than its factorization.

124321820378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074741.

The product of its (nonzero) digits is 129024, while the sum is 41.

Adding to 124321820378 its reverse (873028123421), we get a palindrome (997349943799).

The spelling of 124321820378 in words is "one hundred twenty-four billion, three hundred twenty-one million, eight hundred twenty thousand, three hundred seventy-eight".