1421030452 has 12 divisors (see below), whose sum is σ = 2567022976. Its totient is φ = 687595320.

The previous prime is 1421030437. The next prime is 1421030461. The reversal of 1421030452 is 2540301241.

It is a super-2 number, since 2×1421030452² = 4038655091022648608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5729838 + ... + 5730085.

Almost surely, 2^1421030452 is an apocalyptic number.

It is an amenable number.

1421030452 is a deficient number, since it is larger than the sum of its proper divisors (1145992524).

1421030452 is a wasteful number, since it uses less digits than its factorization.

1421030452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459958 (or 11459956 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1421030452 is about 37696.5575616660. The cubic root of 1421030452 is about 1124.2626811836.

Adding to 1421030452 its reverse (2540301241), we get a palindrome (3961331693).

The spelling of 1421030452 in words is "one billion, four hundred twenty-one million, thirty thousand, four hundred fifty-two".