105291002 has 12 divisors (see below), whose sum is σ = 160698606. Its totient is φ = 51726720.

The previous prime is 105290959. The next prime is 105291007. The reversal of 105291002 is 200192501.

It can be written as a sum of positive squares in 3 ways, for example, as 5470921 + 99820081 = 2339^2 + 9991^2 .

It is a super-2 number, since 2×105291002² = 22172390204328008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105291007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112874 + ... + 113802.

Almost surely, 2^105291002 is an apocalyptic number.

105291002 is a deficient number, since it is larger than the sum of its proper divisors (55407604).

105291002 is an frugal number, since it uses more digits than its factorization.

105291002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 105291002 is about 10261.1403849670. The cubic root of 105291002 is about 472.2048240839.

The spelling of 105291002 in words is "one hundred five million, two hundred ninety-one thousand, two".