992120559 has 32 divisors (see below), whose sum is σ = 1399910400. Its totient is φ = 624153600.

The previous prime is 992120557. The next prime is 992120581. The reversal of 992120559 is 955021299.

It is a happy number.

It is not a de Polignac number, because 992120559 - 2¹ = 992120557 is a prime.

It is a super-3 number, since 3×992120559³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 992120559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992120551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639717 + ... + 641265.

It is an arithmetic number, because the mean of its divisors is an integer number (43747200).

Almost surely, 2^992120559 is an apocalyptic number.

992120559 is a deficient number, since it is larger than the sum of its proper divisors (407789841).

992120559 is a wasteful number, since it uses less digits than its factorization.

992120559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 72900, while the sum is 42.

The square root of 992120559 is about 31497.9453139407. The cubic root of 992120559 is about 997.3665909107.

The spelling of 992120559 in words is "nine hundred ninety-two million, one hundred twenty thousand, five hundred fifty-nine".