124421134131442 has 128 divisors (see below), whose sum is σ = 215072902840320. Its totient is φ = 53636523156480.

The previous prime is 124421134131397. The next prime is 124421134131491. The reversal of 124421134131442 is 244131431124421.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 918922284 + ... + 919057672.

It is an arithmetic number, because the mean of its divisors is an integer number (1680257053440).

Almost surely, 2^{124421134131442} is an apocalyptic number.

124421134131442 is a deficient number, since it is larger than the sum of its proper divisors (90651768708878).

124421134131442 is a wasteful number, since it uses less digits than its factorization.

124421134131442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135856.

The product of its digits is 73728, while the sum is 37.

Adding to 124421134131442 its reverse (244131431124421), we get a palindrome (368552565255863).

The spelling of 124421134131442 in words is "one hundred twenty-four trillion, four hundred twenty-one billion, one hundred thirty-four million, one hundred thirty-one thousand, four hundred forty-two".