1214545051 has 4 divisors (see below), whose sum is σ = 1227066232. Its totient is φ = 1202023872.

The previous prime is 1214545039. The next prime is 1214545097. The reversal of 1214545051 is 1505454121.

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

It is a cyclic number.

It is not a de Polignac number, because 1214545051 - 2¹¹ = 1214543003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214545021) 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, 6260445 + ... + 6260638.

It is an arithmetic number, because the mean of its divisors is an integer number (306766558).

Almost surely, 2^1214545051 is an apocalyptic number.

1214545051 is a deficient number, since it is larger than the sum of its proper divisors (12521181).

1214545051 is an equidigital number, since it uses as much as digits as its factorization.

1214545051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12521180.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1214545051 is about 34850.3235422571. The cubic root of 1214545051 is about 1066.9347891191.

Adding to 1214545051 its reverse (1505454121), we get a palindrome (2719999172).

The spelling of 1214545051 in words is "one billion, two hundred fourteen million, five hundred forty-five thousand, fifty-one".