1407421443 has 8 divisors (see below), whose sum is σ = 1884349456. Its totient is φ = 934387200.

The previous prime is 1407421423. The next prime is 1407421453. The reversal of 1407421443 is 3441247041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1407421443 - 2¹⁰ = 1407420419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1407421443.

It is not an unprimeable number, because it can be changed into a prime (1407421423) 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, 972598 + ... + 974043.

It is an arithmetic number, because the mean of its divisors is an integer number (235543682).

Almost surely, 2^1407421443 is an apocalyptic number.

1407421443 is a deficient number, since it is larger than the sum of its proper divisors (476928013).

1407421443 is a wasteful number, since it uses less digits than its factorization.

1407421443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946885.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 1407421443 is about 37515.6159885454. The cubic root of 1407421443 is about 1120.6621942351.

Adding to 1407421443 its reverse (3441247041), we get a palindrome (4848668484).

The spelling of 1407421443 in words is "one billion, four hundred seven million, four hundred twenty-one thousand, four hundred forty-three".