1216460054 has 4 divisors (see below), whose sum is σ = 1824690084. Its totient is φ = 608230026.

The previous prime is 1216460033. The next prime is 1216460083. The reversal of 1216460054 is 4500646121.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1216459999 and 1216460026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304115012 + ... + 304115015.

It is an arithmetic number, because the mean of its divisors is an integer number (456172521).

Almost surely, 2^1216460054 is an apocalyptic number.

1216460054 is a deficient number, since it is larger than the sum of its proper divisors (608230030).

1216460054 is an equidigital number, since it uses as much as digits as its factorization.

1216460054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608230029.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1216460054 is about 34877.7874011526. The cubic root of 1216460054 is about 1067.4952487508.

The spelling of 1216460054 in words is "one billion, two hundred sixteen million, four hundred sixty thousand, fifty-four".