142120121301044 has 6 divisors (see below), whose sum is σ = 248710212276834. Its totient is φ = 71060060650520.

The previous prime is 142120121301007. The next prime is 142120121301121. The reversal of 142120121301044 is 440103121021241.

It can be written as a sum of positive squares in only one way, i.e., 101425443840400 + 40694677460644 = 10071020^2 + 6379238^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17765015162627 + ... + 17765015162634.

It is an arithmetic number, because the mean of its divisors is an integer number (41451702046139).

Almost surely, 2^{142120121301044} is an apocalyptic number.

It is an amenable number.

142120121301044 is a deficient number, since it is larger than the sum of its proper divisors (106590090975790).

142120121301044 is a wasteful number, since it uses less digits than its factorization.

142120121301044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35530030325265 (or 35530030325263 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 142120121301044 its reverse (440103121021241), we get a palindrome (582223242322285).

The spelling of 142120121301044 in words is "one hundred forty-two trillion, one hundred twenty billion, one hundred twenty-one million, three hundred one thousand, forty-four".