100514721 has 8 divisors (see below), whose sum is σ = 134066880. Its totient is φ = 66986192.

The previous prime is 100514683. The next prime is 100514749. The reversal of 100514721 is 127415001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100514721 - 2¹⁰ = 100513697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100514021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10660 + ... + 17738.

It is an arithmetic number, because the mean of its divisors is an integer number (16758360).

Almost surely, 2^100514721 is an apocalyptic number.

It is an amenable number.

100514721 is a deficient number, since it is larger than the sum of its proper divisors (33552159).

100514721 is an equidigital number, since it uses as much as digits as its factorization.

100514721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11815.

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

The square root of 100514721 is about 10025.7030177439. The cubic root of 100514721 is about 464.9538953017.

Adding to 100514721 its product of nonzero digits (280), we get a palindrome (100515001).

Adding to 100514721 its reverse (127415001), we get a palindrome (227929722).

The spelling of 100514721 in words is "one hundred million, five hundred fourteen thousand, seven hundred twenty-one".