1121488415 has 16 divisors (see below), whose sum is σ = 1370180448. Its totient is φ = 881035776.

The previous prime is 1121488409. The next prime is 1121488451. The reversal of 1121488415 is 5148841211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1121488415 - 2²⁰ = 1120439839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78452 + ... + 91638.

It is an arithmetic number, because the mean of its divisors is an integer number (85636278).

Almost surely, 2^1121488415 is an apocalyptic number.

1121488415 is a deficient number, since it is larger than the sum of its proper divisors (248692033).

1121488415 is a wasteful number, since it uses less digits than its factorization.

1121488415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13498.

The product of its digits is 10240, while the sum is 35.

The square root of 1121488415 is about 33488.6311305792. The cubic root of 1121488415 is about 1038.9586516214.

The spelling of 1121488415 in words is "one billion, one hundred twenty-one million, four hundred eighty-eight thousand, four hundred fifteen".