1421104032 has 72 divisors (see below), whose sum is σ = 4127288256. Its totient is φ = 463618176.

The previous prime is 1421103973. The next prime is 1421104057. The reversal of 1421104032 is 2304011241.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1421103996 and 1421104014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38958 + ... + 66029.

It is an arithmetic number, because the mean of its divisors is an integer number (57323448).

Almost surely, 2^1421104032 is an apocalyptic number.

1421104032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421104032 is an abundant number, since it is smaller than the sum of its proper divisors (2706184224).

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

1421104032 is a wasteful number, since it uses less digits than its factorization.

1421104032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105050 (or 105039 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1421104032 is about 37697.5335002172. The cubic root of 1421104032 is about 1124.2820853703.

Adding to 1421104032 its reverse (2304011241), we get a palindrome (3725115273).

The spelling of 1421104032 in words is "one billion, four hundred twenty-one million, one hundred four thousand, thirty-two".