1109001397 has 8 divisors (see below), whose sum is σ = 1270080000. Its totient is φ = 948585264.

The previous prime is 1109001389. The next prime is 1109001401. The reversal of 1109001397 is 7931009011.

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 1109001397 - 2³ = 1109001389 is a prime.

It is a super-4 number, since 4×1109001397⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109001317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162022 + ... + 168727.

It is an arithmetic number, because the mean of its divisors is an integer number (158760000).

Almost surely, 2^1109001397 is an apocalyptic number.

It is an amenable number.

1109001397 is a deficient number, since it is larger than the sum of its proper divisors (161078603).

1109001397 is an equidigital number, since it uses as much as digits as its factorization.

1109001397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331235.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 1109001397 is about 33301.6725856225. The cubic root of 1109001397 is about 1035.0882160878.

The spelling of 1109001397 in words is "one billion, one hundred nine million, one thousand, three hundred ninety-seven".