109790100 has 288 divisors, whose sum is σ = 416917760. Its totient is φ = 24261120.

The previous prime is 109790053. The next prime is 109790101. The reversal of 109790100 is 1097901.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109790101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 699222 + ... + 699378.

Almost surely, 2^109790100 is an apocalyptic number.

109790100 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 109790100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208458880).

109790100 is an abundant number, since it is smaller than the sum of its proper divisors (307127660).

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

109790100 is a wasteful number, since it uses less digits than its factorization.

109790100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 109790100 is about 10478.0771136693. The cubic root of 109790100 is about 478.8370283107.

Multiplying 109790100 by its reverse (1097901), we get a square (120538660580100 = 10979010²).

109790100 divided by its reverse (1097901) gives a square (100 = 10²).

The spelling of 109790100 in words is "one hundred nine million, seven hundred ninety thousand, one hundred".