1421244032 has 48 divisors (see below), whose sum is σ = 3065983830. Its totient is φ = 655948800.

The previous prime is 1421244031. The next prime is 1421244043. The reversal of 1421244032 is 2304421241.

It can be written as a sum of positive squares in 3 ways, for example, as 1103834176 + 317409856 = 33224^2 + 17816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1421243989 and 1421244007.

It is not an unprimeable number, because it can be changed into a prime (1421244031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11219 + ... + 54482.

Almost surely, 2^1421244032 is an apocalyptic number.

It is an amenable number.

1421244032 is an abundant number, since it is smaller than the sum of its proper divisors (1644739798).

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

1421244032 is an equidigital number, since it uses as much as digits as its factorization.

1421244032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65741 (or 65716 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1421244032 is about 37699.3903398981. The cubic root of 1421244032 is about 1124.3190036910.

Adding to 1421244032 its reverse (2304421241), we get a palindrome (3725665273).

The spelling of 1421244032 in words is "one billion, four hundred twenty-one million, two hundred forty-four thousand, thirty-two".