1345460121 has 12 divisors (see below), whose sum is σ = 2057762772. Its totient is φ = 844210176.

The previous prime is 1345460111. The next prime is 1345460143. The reversal of 1345460121 is 1210645431.

It is a happy number.

1345460121 is a `hidden beast` number, since 1 + 3 + 4 + 54 + 601 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1027907721 + 317552400 = 32061^2 + 17820^2 .

It is not a de Polignac number, because 1345460121 - 2⁵ = 1345460089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345460111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4396776 + ... + 4397081.

It is an arithmetic number, because the mean of its divisors is an integer number (171480231).

Almost surely, 2^1345460121 is an apocalyptic number.

It is an amenable number.

1345460121 is a deficient number, since it is larger than the sum of its proper divisors (712302651).

1345460121 is a wasteful number, since it uses less digits than its factorization.

1345460121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8793880 (or 8793877 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1345460121 is about 36680.5141866905. The cubic root of 1345460121 is about 1103.9691651163.

The spelling of 1345460121 in words is "one billion, three hundred forty-five million, four hundred sixty thousand, one hundred twenty-one".