105390297 has 24 divisors (see below), whose sum is σ = 157664000. Its totient is φ = 67767840.

The previous prime is 105390277. The next prime is 105390323. The reversal of 105390297 is 792093501.

It is not a de Polignac number, because 105390297 - 2¹¹ = 105388249 is a prime.

It is a super-2 number, since 2×105390297² = 22214229403496418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105390277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138843 + ... + 139599.

Almost surely, 2^105390297 is an apocalyptic number.

It is an amenable number.

105390297 is a deficient number, since it is larger than the sum of its proper divisors (52273703).

105390297 is a wasteful number, since it uses less digits than its factorization.

105390297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 105390297 is about 10265.9776446279. The cubic root of 105390297 is about 472.3532155123.

The spelling of 105390297 in words is "one hundred five million, three hundred ninety thousand, two hundred ninety-seven".