105249697 has 12 divisors (see below), whose sum is σ = 124264560. Its totient is φ = 88864776.

The previous prime is 105249689. The next prime is 105249701. The reversal of 105249697 is 796942501.

It is a happy number.

It is not a de Polignac number, because 105249697 - 2³ = 105249689 is a prime.

It is a super-2 number, since 2×105249697² = 22154997437183618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105249667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12747 + ... + 19312.

It is an arithmetic number, because the mean of its divisors is an integer number (10355380).

Almost surely, 2^105249697 is an apocalyptic number.

It is an amenable number.

105249697 is a deficient number, since it is larger than the sum of its proper divisors (19014863).

105249697 is an equidigital number, since it uses as much as digits as its factorization.

105249697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32140 (or 32133 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 105249697 is about 10259.1274970145. The cubic root of 105249697 is about 472.1430683436.

The spelling of 105249697 in words is "one hundred five million, two hundred forty-nine thousand, six hundred ninety-seven".