122621672570 has 8 divisors (see below), whose sum is σ = 220719010644. Its totient is φ = 49048669024.

The previous prime is 122621672561. The next prime is 122621672597. The reversal of 122621672570 is 75276126221.

It can be written as a sum of positive squares in 2 ways, for example, as 122192892721 + 428779849 = 349561^2 + 20707^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6131083619 + ... + 6131083638.

Almost surely, 2^122621672570 is an apocalyptic number.

122621672570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122621672570 is a deficient number, since it is larger than the sum of its proper divisors (98097338074).

122621672570 is a wasteful number, since it uses less digits than its factorization.

122621672570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12262167264.

The product of its (nonzero) digits is 141120, while the sum is 41.

Adding to 122621672570 its reverse (75276126221), we get a palindrome (197897798791).

The spelling of 122621672570 in words is "one hundred twenty-two billion, six hundred twenty-one million, six hundred seventy-two thousand, five hundred seventy".