105937921 has 4 divisors (see below), whose sum is σ = 107519152. Its totient is φ = 104356692.

The previous prime is 105937879. The next prime is 105937927. The reversal of 105937921 is 129739501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105937921 - 2¹³ = 105929729 is a prime.

It is a super-2 number, since 2×105937921² = 22445686211604482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105937927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790515 + ... + 790648.

It is an arithmetic number, because the mean of its divisors is an integer number (26879788).

Almost surely, 2^105937921 is an apocalyptic number.

It is an amenable number.

105937921 is a deficient number, since it is larger than the sum of its proper divisors (1581231).

105937921 is an equidigital number, since it uses as much as digits as its factorization.

105937921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581230.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 105937921 is about 10292.6148766968. The cubic root of 105937921 is about 473.1699422275.

The spelling of 105937921 in words is "one hundred five million, nine hundred thirty-seven thousand, nine hundred twenty-one".