1210099 has 8 divisors (see below), whose sum is σ = 1377792. Its totient is φ = 1052040.

The previous prime is 1210093. The next prime is 1210103. The reversal of 1210099 is 9900121.

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

It is not a de Polignac number, because 1210099 - 2⁵ = 1210067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2139 + ... + 2644.

It is an arithmetic number, because the mean of its divisors is an integer number (172224).

2^1210099 is an apocalyptic number.

1210099 is a deficient number, since it is larger than the sum of its proper divisors (167693).

1210099 is a wasteful number, since it uses less digits than its factorization.

1210099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4817.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1210099 is about 1100.0449990796. The cubic root of 1210099 is about 106.5631297853.

Adding to 1210099 its sum of digits (22), we get a palindrome (1210121).

The spelling of 1210099 in words is "one million, two hundred ten thousand, ninety-nine".