100742526 has 48 divisors (see below), whose sum is σ = 224437824. Its totient is φ = 32643072.

The previous prime is 100742513. The next prime is 100742531. The reversal of 100742526 is 625247001.

It is a self number, because there is not a number n which added to its sum of digits gives 100742526.

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 23 ways as a sum of consecutive naturals, for example, 162970 + ... + 163586.

It is an arithmetic number, because the mean of its divisors is an integer number (4675788).

Almost surely, 2^100742526 is an apocalyptic number.

100742526 is an abundant number, since it is smaller than the sum of its proper divisors (123695298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100742526 is a wasteful number, since it uses less digits than its factorization.

100742526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 100742526 is about 10037.0576365786. The cubic root of 100742526 is about 465.3048850343.

Adding to 100742526 its reverse (625247001), we get a palindrome (725989527).

The spelling of 100742526 in words is "one hundred million, seven hundred forty-two thousand, five hundred twenty-six".