981124465 has 16 divisors (see below), whose sum is σ = 1208503296. Its totient is φ = 764208000.

The previous prime is 981124457. The next prime is 981124531. The reversal of 981124465 is 564421189.

It is not a de Polignac number, because 981124465 - 2³ = 981124457 is a prime.

It is a super-3 number, since 3×981124465³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102640 + ... + 111790.

It is an arithmetic number, because the mean of its divisors is an integer number (75531456).

Almost surely, 2^981124465 is an apocalyptic number.

It is an amenable number.

981124465 is a deficient number, since it is larger than the sum of its proper divisors (227378831).

981124465 is a wasteful number, since it uses less digits than its factorization.

981124465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9720.

The product of its digits is 69120, while the sum is 40.

The square root of 981124465 is about 31322.9063945222. The cubic root of 981124465 is about 993.6681472605.

The spelling of 981124465 in words is "nine hundred eighty-one million, one hundred twenty-four thousand, four hundred sixty-five".