105121707 has 8 divisors (see below), whose sum is σ = 146256384. Its totient is φ = 67034088.

The previous prime is 105121691. The next prime is 105121711. The reversal of 105121707 is 707121501.

It is a happy number.

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

It is not a de Polignac number, because 105121707 - 2⁴ = 105121691 is a prime.

It is a super-2 number, since 2×105121707² = 22101146565187698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105121717) 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, 761683 + ... + 761820.

It is an arithmetic number, because the mean of its divisors is an integer number (18282048).

Almost surely, 2^105121707 is an apocalyptic number.

105121707 is a deficient number, since it is larger than the sum of its proper divisors (41134677).

105121707 is a wasteful number, since it uses less digits than its factorization.

105121707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523529.

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 105121707 is about 10252.8877395590. The cubic root of 105121707 is about 471.9516058661.

The spelling of 105121707 in words is "one hundred five million, one hundred twenty-one thousand, seven hundred seven".