1201400142103 has 24 divisors (see below), whose sum is σ = 1449953952480. Its totient is φ = 994261783200.

The previous prime is 1201400142091. The next prime is 1201400142119. The reversal of 1201400142103 is 3012410041021.

It is a de Polignac number, because none of the positive numbers 2^k-1201400142103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201400142143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 745048 + ... + 1719853.

It is an arithmetic number, because the mean of its divisors is an integer number (60414748020).

Almost surely, 2^{1201400142103} is an apocalyptic number.

1201400142103 is a deficient number, since it is larger than the sum of its proper divisors (248553810377).

1201400142103 is an frugal number, since it uses more digits than its factorization.

1201400142103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464965 (or 2464937 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1201400142103 its reverse (3012410041021), we get a palindrome (4213810183124).

The spelling of 1201400142103 in words is "one trillion, two hundred one billion, four hundred million, one hundred forty-two thousand, one hundred three".