105551207 has 8 divisors (see below), whose sum is σ = 106822560. Its totient is φ = 104284800.

The previous prime is 105551203. The next prime is 105551219. The reversal of 105551207 is 702155501.

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 105551207 - 2² = 105551203 is a prime.

It is a super-2 number, since 2×105551207² = 22282114598313698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105551203) 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, 57707 + ... + 59507.

It is an arithmetic number, because the mean of its divisors is an integer number (13352820).

Almost surely, 2^105551207 is an apocalyptic number.

105551207 is a deficient number, since it is larger than the sum of its proper divisors (1271353).

105551207 is a wasteful number, since it uses less digits than its factorization.

105551207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473.

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 105551207 is about 10273.8117074433. The cubic root of 105551207 is about 472.5934897079.

The spelling of 105551207 in words is "one hundred five million, five hundred fifty-one thousand, two hundred seven".