1100401997 has 8 divisors (see below), whose sum is σ = 1124308992. Its totient is φ = 1076684400.

The previous prime is 1100401987. The next prime is 1100402003. The reversal of 1100401997 is 7991040011.

It is a happy number.

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 1100401997 - 2⁶ = 1100401933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100401957) 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, 35573 + ... + 58874.

It is an arithmetic number, because the mean of its divisors is an integer number (140538624).

Almost surely, 2^1100401997 is an apocalyptic number.

It is an amenable number.

1100401997 is a deficient number, since it is larger than the sum of its proper divisors (23906995).

1100401997 is an equidigital number, since it uses as much as digits as its factorization.

1100401997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94699.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 1100401997 is about 33172.3076827646. The cubic root of 1100401997 is about 1032.4058496894.

The spelling of 1100401997 in words is "one billion, one hundred million, four hundred one thousand, nine hundred ninety-seven".