1442040122 has 32 divisors (see below), whose sum is σ = 2261908800. Its totient is φ = 689040000.

The previous prime is 1442040101. The next prime is 1442040139. The reversal of 1442040122 is 2210402441.

It is a junction number, because it is equal to n+sod(n) for n = 1442040094 and 1442040103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639497 + ... + 641747.

It is an arithmetic number, because the mean of its divisors is an integer number (70684650).

Almost surely, 2^1442040122 is an apocalyptic number.

1442040122 is a deficient number, since it is larger than the sum of its proper divisors (819868678).

1442040122 is a wasteful number, since it uses less digits than its factorization.

1442040122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1442040122 is about 37974.2033754495. The cubic root of 1442040122 is about 1129.7762686512.

Adding to 1442040122 its reverse (2210402441), we get a palindrome (3652442563).

The spelling of 1442040122 in words is "one billion, four hundred forty-two million, forty thousand, one hundred twenty-two".