1121614465 has 8 divisors (see below), whose sum is σ = 1353374568. Its totient is φ = 892333440.

The previous prime is 1121614463. The next prime is 1121614493. The reversal of 1121614465 is 5644161211.

It can be written as a sum of positive squares in 4 ways, for example, as 115519504 + 1006094961 = 10748^2 + 31719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121614465 - 2¹ = 1121614463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121614463) 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, 618772 + ... + 620581.

It is an arithmetic number, because the mean of its divisors is an integer number (169171821).

Almost surely, 2^1121614465 is an apocalyptic number.

It is an amenable number.

1121614465 is a deficient number, since it is larger than the sum of its proper divisors (231760103).

1121614465 is a wasteful number, since it uses less digits than its factorization.

1121614465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239539.

The product of its digits is 5760, while the sum is 31.

The square root of 1121614465 is about 33490.5130596711. The cubic root of 1121614465 is about 1038.9975748447.

Adding to 1121614465 its reverse (5644161211), we get a palindrome (6765775676).

The spelling of 1121614465 in words is "one billion, one hundred twenty-one million, six hundred fourteen thousand, four hundred sixty-five".