1101697920 has 192 divisors, whose sum is σ = 4028441040. Its totient is φ = 276480000.

The previous prime is 1101697913. The next prime is 1101697939. The reversal of 1101697920 is 297961011.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 92295 + ... + 103545.

Almost surely, 2^1101697920 is an apocalyptic number.

1101697920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101697920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2014220520).

1101697920 is an abundant number, since it is smaller than the sum of its proper divisors (2926743120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101697920 is a wasteful number, since it uses less digits than its factorization.

1101697920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11293 (or 11278 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 36.

The square root of 1101697920 is about 33191.8351405884. The cubic root of 1101697920 is about 1032.8109724291.

The spelling of 1101697920 in words is "one billion, one hundred one million, six hundred ninety-seven thousand, nine hundred twenty".