1142001440123 has 8 divisors (see below), whose sum is σ = 1179177216000. Its totient is φ = 1104846728040.

The previous prime is 1142001440089. The next prime is 1142001440147. The reversal of 1142001440123 is 3210441002411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142001440123 - 2³² = 1137706472827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142001440023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5155715 + ... + 5372652.

It is an arithmetic number, because the mean of its divisors is an integer number (147397152000).

Almost surely, 2^{1142001440123} is an apocalyptic number.

1142001440123 is a deficient number, since it is larger than the sum of its proper divisors (37175775877).

1142001440123 is a wasteful number, since it uses less digits than its factorization.

1142001440123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10531897.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1142001440123 its reverse (3210441002411), we get a palindrome (4352442442534).

The spelling of 1142001440123 in words is "one trillion, one hundred forty-two billion, one million, four hundred forty thousand, one hundred twenty-three".