101245512 has 16 divisors (see below), whose sum is σ = 253113840. Its totient is φ = 33748496.

The previous prime is 101245499. The next prime is 101245513. The reversal of 101245512 is 215542101.

It is not an unprimeable number, because it can be changed into a prime (101245513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2109258 + ... + 2109305.

It is an arithmetic number, because the mean of its divisors is an integer number (15819615).

Almost surely, 2^101245512 is an apocalyptic number.

101245512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101245512 is an abundant number, since it is smaller than the sum of its proper divisors (151868328).

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

101245512 is a wasteful number, since it uses less digits than its factorization.

101245512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218572 (or 4218568 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 101245512 is about 10062.0828857648. The cubic root of 101245512 is about 466.0779892434.

Adding to 101245512 its reverse (215542101), we get a palindrome (316787613).

The spelling of 101245512 in words is "one hundred one million, two hundred forty-five thousand, five hundred twelve".