1421005454 has 8 divisors (see below), whose sum is σ = 2325281688. Its totient is φ = 645911560.

The previous prime is 1421005447. The next prime is 1421005457. The reversal of 1421005454 is 4545001241.

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

It is a super-2 number, since 2×1421005454² = 4038513000595492232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421005457) 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, 32295557 + ... + 32295600.

It is an arithmetic number, because the mean of its divisors is an integer number (290660211).

Almost surely, 2^1421005454 is an apocalyptic number.

1421005454 is a deficient number, since it is larger than the sum of its proper divisors (904276234).

1421005454 is a wasteful number, since it uses less digits than its factorization.

1421005454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64591170.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1421005454 is about 37696.2259914703. The cubic root of 1421005454 is about 1124.2560886711.

Adding to 1421005454 its reverse (4545001241), we get a palindrome (5966006695).

The spelling of 1421005454 in words is "one billion, four hundred twenty-one million, five thousand, four hundred fifty-four".