1401200421124 has 48 divisors (see below), whose sum is σ = 2883910288000. Its totient is φ = 583113219840.

The previous prime is 1401200421059. The next prime is 1401200421133. The reversal of 1401200421124 is 4211240021041.

It is a junction number, because it is equal to n+sod(n) for n = 1401200421095 and 1401200421104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838257 + ... + 1872184.

Almost surely, 2^{1401200421124} is an apocalyptic number.

1401200421124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1401200421124 is an abundant number, since it is smaller than the sum of its proper divisors (1482709866876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401200421124 is a wasteful number, since it uses less digits than its factorization.

1401200421124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710988 (or 2710986 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1401200421124 its reverse (4211240021041), we get a palindrome (5612440442165).

The spelling of 1401200421124 in words is "one trillion, four hundred one billion, two hundred million, four hundred twenty-one thousand, one hundred twenty-four".