1421305054 has 16 divisors (see below), whose sum is σ = 2296607040. Its totient is φ = 655800480.

The previous prime is 1421305049. The next prime is 1421305091. The reversal of 1421305054 is 4505031241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134827 + ... + 144985.

It is an arithmetic number, because the mean of its divisors is an integer number (143537940).

Almost surely, 2^1421305054 is an apocalyptic number.

1421305054 is a deficient number, since it is larger than the sum of its proper divisors (875301986).

1421305054 is a wasteful number, since it uses less digits than its factorization.

1421305054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15555.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1421305054 is about 37700.1996546437. The cubic root of 1421305054 is about 1124.3350945736.

Adding to 1421305054 its reverse (4505031241), we get a palindrome (5926336295).

The spelling of 1421305054 in words is "one billion, four hundred twenty-one million, three hundred five thousand, fifty-four".