105056290 has 16 divisors (see below), whose sum is σ = 189298368. Its totient is φ = 41978736.

The previous prime is 105056257. The next prime is 105056297. The reversal of 105056290 is 92650501.

It is a super-2 number, since 2×105056290² = 22073648137128200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105056297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5689 + ... + 15571.

It is an arithmetic number, because the mean of its divisors is an integer number (11831148).

Almost surely, 2^105056290 is an apocalyptic number.

105056290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105056290 is a deficient number, since it is larger than the sum of its proper divisors (84242078).

105056290 is a wasteful number, since it uses less digits than its factorization.

105056290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10953.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 105056290 is about 10249.6970686943. The cubic root of 105056290 is about 471.8536874137.

The spelling of 105056290 in words is "one hundred five million, fifty-six thousand, two hundred ninety".