261126010 has 16 divisors (see below), whose sum is σ = 474421536. Its totient is φ = 103473808.

The previous prime is 261125999. The next prime is 261126029. The reversal of 261126010 is 10621162.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120952 + ... + 123091.

It is an arithmetic number, because the mean of its divisors is an integer number (29651346).

Almost surely, 2^261126010 is an apocalyptic number.

261126010 is a deficient number, since it is larger than the sum of its proper divisors (213295526).

261126010 is a wasteful number, since it uses less digits than its factorization.

261126010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244157.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 261126010 is about 16159.3938623947. The cubic root of 261126010 is about 639.1704829277.

Adding to 261126010 its reverse (10621162), we get a palindrome (271747172).

The spelling of 261126010 in words is "two hundred sixty-one million, one hundred twenty-six thousand, ten".