561262102 has 16 divisors (see below), whose sum is σ = 875074032. Its totient is φ = 269753760.

The previous prime is 561262067. The next prime is 561262127. The reversal of 561262102 is 201262165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39549 + ... + 51832.

It is an arithmetic number, because the mean of its divisors is an integer number (54692127).

Almost surely, 2^561262102 is an apocalyptic number.

561262102 is a deficient number, since it is larger than the sum of its proper divisors (313811930).

561262102 is a wasteful number, since it uses less digits than its factorization.

561262102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91503.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 561262102 is about 23690.9708961030. The cubic root of 561262102 is about 824.8758194480.

The spelling of 561262102 in words is "five hundred sixty-one million, two hundred sixty-two thousand, one hundred two".