1455121114 has 16 divisors (see below), whose sum is σ = 2218117608. Its totient is φ = 715843072.

The previous prime is 1455121111. The next prime is 1455121123. The reversal of 1455121114 is 4111215541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 865359889 + 589761225 = 29417^2 + 24285^2 .

It is not an unprimeable number, because it can be changed into a prime (1455121111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7464 + ... + 54460.

Almost surely, 2^1455121114 is an apocalyptic number.

1455121114 is a deficient number, since it is larger than the sum of its proper divisors (762996494).

1455121114 is a wasteful number, since it uses less digits than its factorization.

1455121114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47249.

The product of its digits is 800, while the sum is 25.

The square root of 1455121114 is about 38146.0497823824. The cubic root of 1455121114 is about 1133.1821220598.

Adding to 1455121114 its reverse (4111215541), we get a palindrome (5566336655).

The spelling of 1455121114 in words is "one billion, four hundred fifty-five million, one hundred twenty-one thousand, one hundred fourteen".