100471512 has 16 divisors (see below), whose sum is σ = 251178840. Its totient is φ = 33490496.

The previous prime is 100471499. The next prime is 100471519. The reversal of 100471512 is 215174001.

It is a happy number.

It is a super-2 number, since 2×100471512² = 20189049447132288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100471519) 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, 2093133 + ... + 2093180.

Almost surely, 2^100471512 is an apocalyptic number.

100471512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100471512 is an abundant number, since it is smaller than the sum of its proper divisors (150707328).

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

100471512 is a wasteful number, since it uses less digits than its factorization.

100471512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186322 (or 4186318 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 100471512 is about 10023.5478748794. The cubic root of 100471512 is about 464.8872613728.

The spelling of 100471512 in words is "one hundred million, four hundred seventy-one thousand, five hundred twelve".