1421401312 has 12 divisors (see below), whose sum is σ = 2798383896. Its totient is φ = 710700640.

The previous prime is 1421401309. The next prime is 1421401313. The reversal of 1421401312 is 2131041241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421401312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421401313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22209364 + ... + 22209427.

It is an arithmetic number, because the mean of its divisors is an integer number (233198658).

Almost surely, 2^1421401312 is an apocalyptic number.

It is an amenable number.

1421401312 is a deficient number, since it is larger than the sum of its proper divisors (1376982584).

1421401312 is an equidigital number, since it uses as much as digits as its factorization.

1421401312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44418801 (or 44418793 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1421401312 is about 37701.4762575685. The cubic root of 1421401312 is about 1124.3604758957.

Adding to 1421401312 its reverse (2131041241), we get a palindrome (3552442553).

The spelling of 1421401312 in words is "one billion, four hundred twenty-one million, four hundred one thousand, three hundred twelve".