1099937481 has 8 divisors (see below), whose sum is σ = 1466812224. Its totient is φ = 733177200.

The previous prime is 1099937479. The next prime is 1099937521. The reversal of 1099937481 is 1847399901.

It is a happy number.

1099937481 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1099937481 - 2¹ = 1099937479 is a prime.

It is a super-2 number, since 2×1099937481² = 2419724924217250722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1099937081) 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, 2886 + ... + 46991.

It is an arithmetic number, because the mean of its divisors is an integer number (183351528).

Almost surely, 2^1099937481 is an apocalyptic number.

It is an amenable number.

1099937481 is a deficient number, since it is larger than the sum of its proper divisors (366874743).

1099937481 is an equidigital number, since it uses as much as digits as its factorization.

1099937481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57231.

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 1099937481 is about 33165.3053807740. The cubic root of 1099937481 is about 1032.2605583827.

The spelling of 1099937481 in words is "one billion, ninety-nine million, nine hundred thirty-seven thousand, four hundred eighty-one".