1421423054 has 4 divisors (see below), whose sum is σ = 2132134584. Its totient is φ = 710711526.

The previous prime is 1421423051. The next prime is 1421423071. The reversal of 1421423054 is 4503241241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4503241241 = 139 ⋅32397419.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421423051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355355762 + ... + 355355765.

It is an arithmetic number, because the mean of its divisors is an integer number (533033646).

Almost surely, 2^1421423054 is an apocalyptic number.

1421423054 is a deficient number, since it is larger than the sum of its proper divisors (710711530).

1421423054 is an equidigital number, since it uses as much as digits as its factorization.

1421423054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710711529.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1421423054 is about 37701.7646006125. The cubic root of 1421423054 is about 1124.3662086705.

Adding to 1421423054 its reverse (4503241241), we get a palindrome (5924664295).

The spelling of 1421423054 in words is "one billion, four hundred twenty-one million, four hundred twenty-three thousand, fifty-four".