1421402033 has 4 divisors (see below), whose sum is σ = 1421488128. Its totient is φ = 1421315940.

The previous prime is 1421402029. The next prime is 1421402051. The reversal of 1421402033 is 3302041241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3302041241 = 4643 ⋅711187.

It is a cyclic number.

It is not a de Polignac number, because 1421402033 - 2² = 1421402029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421401996 and 1421402014.

It is not an unprimeable number, because it can be changed into a prime (1421402833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9641 + ... + 54182.

It is an arithmetic number, because the mean of its divisors is an integer number (355372032).

Almost surely, 2^1421402033 is an apocalyptic number.

It is an amenable number.

1421402033 is a deficient number, since it is larger than the sum of its proper divisors (86095).

1421402033 is an equidigital number, since it uses as much as digits as its factorization.

1421402033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86094.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1421402033 is about 37701.4858195271. The cubic root of 1421402033 is about 1124.3606660048.

Adding to 1421402033 its reverse (3302041241), we get a palindrome (4723443274).

The spelling of 1421402033 in words is "one billion, four hundred twenty-one million, four hundred two thousand, thirty-three".