1442121508 has 12 divisors (see below), whose sum is σ = 2656539760. Its totient is φ = 683110152.

The previous prime is 1442121503. The next prime is 1442121511. The reversal of 1442121508 is 8051212441.

It is not an unprimeable number, because it can be changed into a prime (1442121503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9487566 + ... + 9487717.

Almost surely, 2^1442121508 is an apocalyptic number.

It is an amenable number.

1442121508 is a deficient number, since it is larger than the sum of its proper divisors (1214418252).

1442121508 is a wasteful number, since it uses less digits than its factorization.

1442121508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18975306 (or 18975304 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1442121508 is about 37975.2749562133. The cubic root of 1442121508 is about 1129.7975223922.

Adding to 1442121508 its reverse (8051212441), we get a palindrome (9493333949).

The spelling of 1442121508 in words is "one billion, four hundred forty-two million, one hundred twenty-one thousand, five hundred eight".