1101339979 has 4 divisors (see below), whose sum is σ = 1111632984. Its totient is φ = 1091046976.

The previous prime is 1101339949. The next prime is 1101339983. The reversal of 1101339979 is 9799331011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9799331011 = 42767 ⋅229133.

It is a cyclic number.

It is not a de Polignac number, because 1101339979 - 2¹⁵ = 1101307211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101339949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5146342 + ... + 5146555.

It is an arithmetic number, because the mean of its divisors is an integer number (277908246).

Almost surely, 2^1101339979 is an apocalyptic number.

1101339979 is a deficient number, since it is larger than the sum of its proper divisors (10293005).

1101339979 is a wasteful number, since it uses less digits than its factorization.

1101339979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10293004.

The product of its (nonzero) digits is 45927, while the sum is 43.

The square root of 1101339979 is about 33186.4426987889. The cubic root of 1101339979 is about 1032.6991070893.

The spelling of 1101339979 in words is "one billion, one hundred one million, three hundred thirty-nine thousand, nine hundred seventy-nine".