124311021401 has 16 divisors (see below), whose sum is σ = 142988511744. Its totient is φ = 105865208064.

The previous prime is 124311021379. The next prime is 124311021421. The reversal of 124311021401 is 104120113421.

It is a de Polignac number, because none of the positive numbers 2^k-124311021401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124311021421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672845 + ... + 837461.

It is an arithmetic number, because the mean of its divisors is an integer number (8936781984).

Almost surely, 2^124311021401 is an apocalyptic number.

It is an amenable number.

124311021401 is a deficient number, since it is larger than the sum of its proper divisors (18677490343).

124311021401 is a wasteful number, since it uses less digits than its factorization.

124311021401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165320.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 124311021401 its reverse (104120113421), we get a palindrome (228431134822).

The spelling of 124311021401 in words is "one hundred twenty-four billion, three hundred eleven million, twenty-one thousand, four hundred one".