1401421433 has 8 divisors (see below), whose sum is σ = 1496513280. Its totient is φ = 1309447440.

The previous prime is 1401421421. The next prime is 1401421447. The reversal of 1401421433 is 3341241041.

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

It is not a de Polignac number, because 1401421433 - 2¹² = 1401417337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401421399 and 1401421408.

It is not an unprimeable number, because it can be changed into a prime (1401421033) 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, 778535 + ... + 780332.

It is an arithmetic number, because the mean of its divisors is an integer number (187064160).

Almost surely, 2^1401421433 is an apocalyptic number.

It is an amenable number.

1401421433 is a deficient number, since it is larger than the sum of its proper divisors (95091847).

1401421433 is a wasteful number, since it uses less digits than its factorization.

1401421433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558927.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1401421433 is about 37435.5637462560. The cubic root of 1401421433 is about 1119.0674191101.

Adding to 1401421433 its reverse (3341241041), we get a palindrome (4742662474).

The spelling of 1401421433 in words is "one billion, four hundred one million, four hundred twenty-one thousand, four hundred thirty-three".