1420430451 has 8 divisors (see below), whose sum is σ = 2066080704. Its totient is φ = 860866920.

The previous prime is 1420430441. The next prime is 1420430467. The reversal of 1420430451 is 1540340241.

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

It is not a de Polignac number, because 1420430451 - 2⁶ = 1420430387 is a prime.

It is a super-2 number, since 2×1420430451² = 4035245332256126802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1420430441) 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, 21521641 + ... + 21521706.

It is an arithmetic number, because the mean of its divisors is an integer number (258260088).

Almost surely, 2^1420430451 is an apocalyptic number.

1420430451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1420430451 is a deficient number, since it is larger than the sum of its proper divisors (645650253).

1420430451 is a wasteful number, since it uses less digits than its factorization.

1420430451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43043361.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1420430451 is about 37688.5984218039. The cubic root of 1420430451 is about 1124.1044266124.

Adding to 1420430451 its reverse (1540340241), we get a palindrome (2960770692).

The spelling of 1420430451 in words is "one billion, four hundred twenty million, four hundred thirty thousand, four hundred fifty-one".