1101520389 has 8 divisors (see below), whose sum is σ = 1555087680. Its totient is φ = 691150016.

The previous prime is 1101520367. The next prime is 1101520417. The reversal of 1101520389 is 9830251011.

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

It is a cyclic number.

It is not a de Polignac number, because 1101520389 - 2⁷ = 1101520261 is a prime.

It is a super-2 number, since 2×1101520389² = 2426694334765422642, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101525389) 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, 10799169 + ... + 10799270.

It is an arithmetic number, because the mean of its divisors is an integer number (194385960).

Almost surely, 2^1101520389 is an apocalyptic number.

It is an amenable number.

1101520389 is a deficient number, since it is larger than the sum of its proper divisors (453567291).

1101520389 is a wasteful number, since it uses less digits than its factorization.

1101520389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21598459.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 1101520389 is about 33189.1607155107. The cubic root of 1101520389 is about 1032.7554926673.

The spelling of 1101520389 in words is "one billion, one hundred one million, five hundred twenty thousand, three hundred eighty-nine".