1421140112 has 40 divisors (see below), whose sum is σ = 3312436800. Its totient is φ = 577003392.

The previous prime is 1421140103. The next prime is 1421140117. The reversal of 1421140112 is 2110411241.

It is not an unprimeable number, because it can be changed into a prime (1421140117) 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, 331787 + ... + 336042.

It is an arithmetic number, because the mean of its divisors is an integer number (82810920).

Almost surely, 2^1421140112 is an apocalyptic number.

It is an amenable number.

1421140112 is an abundant number, since it is smaller than the sum of its proper divisors (1891296688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421140112 is a wasteful number, since it uses less digits than its factorization.

1421140112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667863 (or 667857 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1421140112 is about 37698.0120430773. The cubic root of 1421140112 is about 1124.2915999808.

Adding to 1421140112 its reverse (2110411241), we get a palindrome (3531551353).

The spelling of 1421140112 in words is "one billion, four hundred twenty-one million, one hundred forty thousand, one hundred twelve".