106721098 has 32 divisors (see below), whose sum is σ = 183585600. Its totient is φ = 46085760.

The previous prime is 106721093. The next prime is 106721107. The reversal of 106721098 is 890127601.

It is a happy number.

It is a super-2 number, since 2×106721098² = 22778785516651208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106721093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33478 + ... + 36526.

It is an arithmetic number, because the mean of its divisors is an integer number (5737050).

Almost surely, 2^106721098 is an apocalyptic number.

106721098 is a deficient number, since it is larger than the sum of its proper divisors (76864502).

106721098 is a wasteful number, since it uses less digits than its factorization.

106721098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 106721098 is about 10330.5903993915. The cubic root of 106721098 is about 474.3330962330. Note that the first 3 decimals are identical.

Adding to 106721098 its reverse (890127601), we get a palindrome (996848699).

The spelling of 106721098 in words is "one hundred six million, seven hundred twenty-one thousand, ninety-eight".