105726025 has 12 divisors (see below), whose sum is σ = 135621900. Its totient is φ = 81663680.

The previous prime is 105726017. The next prime is 105726031. The reversal of 105726025 is 520627501.

It can be written as a sum of positive squares in 6 ways, for example, as 13162384 + 92563641 = 3628^2 + 9621^2 .

It is not a de Polignac number, because 105726025 - 2³ = 105726017 is a prime.

It is a super-2 number, since 2×105726025² = 22355984724601250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105725984 and 105726002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72190 + ... + 73639.

It is an arithmetic number, because the mean of its divisors is an integer number (11301825).

Almost surely, 2^105726025 is an apocalyptic number.

It is an amenable number.

105726025 is a deficient number, since it is larger than the sum of its proper divisors (29895875).

105726025 is a wasteful number, since it uses less digits than its factorization.

105726025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145868 (or 145863 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 105726025 is about 10282.3161301333. The cubic root of 105726025 is about 472.8542550158.

The spelling of 105726025 in words is "one hundred five million, seven hundred twenty-six thousand, twenty-five".