105021597 has 16 divisors (see below), whose sum is σ = 149357952. Its totient is φ = 65410560.

The previous prime is 105021571. The next prime is 105021599. The reversal of 105021597 is 795120501.

It is not a de Polignac number, because 105021597 - 2¹² = 105017501 is a prime.

It is a super-2 number, since 2×105021597² = 22059071672860818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105021599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529 + ... + 14502.

It is an arithmetic number, because the mean of its divisors is an integer number (9334872).

Almost surely, 2^105021597 is an apocalyptic number.

105021597 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

105021597 is a deficient number, since it is larger than the sum of its proper divisors (44336355).

105021597 is a wasteful number, since it uses less digits than its factorization.

105021597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15188.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 105021597 is about 10248.0045374697. The cubic root of 105021597 is about 471.8017412228.

The spelling of 105021597 in words is "one hundred five million, twenty-one thousand, five hundred ninety-seven".