626120001 has 24 divisors (see below), whose sum is σ = 979969536. Its totient is φ = 382929120.

The previous prime is 626119981. The next prime is 626120017. The reversal of 626120001 is 100021626.

It is a happy number.

It is not a de Polignac number, because 626120001 - 2⁵ = 626119969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (626120021) by changing a digit.

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, 2656 + ... + 35486.

It is an arithmetic number, because the mean of its divisors is an integer number (40832064).

Almost surely, 2^626120001 is an apocalyptic number.

It is an amenable number.

626120001 is a deficient number, since it is larger than the sum of its proper divisors (353849535).

626120001 is a wasteful number, since it uses less digits than its factorization.

626120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33013 (or 33010 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 626120001 is about 25022.3899937636. The cubic root of 626120001 is about 855.4983818474.

Adding to 626120001 its reverse (100021626), we get a palindrome (726141627).

It can be divided in two parts, 6261 and 20001, that added together give a palindrome (26262).

The spelling of 626120001 in words is "six hundred twenty-six million, one hundred twenty thousand, one".