981272415 has 8 divisors (see below), whose sum is σ = 1570035888. Its totient is φ = 523345280.

The previous prime is 981272407. The next prime is 981272417. The reversal of 981272415 is 514272189.

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

It is not a de Polignac number, because 981272415 - 2³ = 981272407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981272417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32709066 + ... + 32709095.

It is an arithmetic number, because the mean of its divisors is an integer number (196254486).

Almost surely, 2^981272415 is an apocalyptic number.

981272415 is a deficient number, since it is larger than the sum of its proper divisors (588763473).

981272415 is a wasteful number, since it uses less digits than its factorization.

981272415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65418169.

The product of its digits is 40320, while the sum is 39.

The square root of 981272415 is about 31325.2679956613. The cubic root of 981272415 is about 993.7180919307.

The spelling of 981272415 in words is "nine hundred eighty-one million, two hundred seventy-two thousand, four hundred fifteen".