715121001 has 16 divisors (see below), whose sum is σ = 1210787200. Its totient is φ = 408640464.

The previous prime is 715120969. The next prime is 715121021. The reversal of 715121001 is 100121517.

It is a happy number.

It is not a de Polignac number, because 715121001 - 2⁵ = 715120969 is a prime.

It is a super-2 number, since 2×715121001² = 1022796092142484002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (715121021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1891666 + ... + 1892043.

It is an arithmetic number, because the mean of its divisors is an integer number (75674200).

Almost surely, 2^715121001 is an apocalyptic number.

It is an amenable number.

715121001 is a deficient number, since it is larger than the sum of its proper divisors (495666199).

715121001 is a wasteful number, since it uses less digits than its factorization.

715121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783725 (or 3783719 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 715121001 is about 26741.7464089390. The cubic root of 715121001 is about 894.2518433762.

Adding to 715121001 its reverse (100121517), we get a palindrome (815242518).

The spelling of 715121001 in words is "seven hundred fifteen million, one hundred twenty-one thousand, one".