122572810 has 8 divisors (see below), whose sum is σ = 220631076. Its totient is φ = 49029120.

The previous prime is 122572711. The next prime is 122572811. The reversal of 122572810 is 18275221.

It can be written as a sum of positive squares in 2 ways, for example, as 116575209 + 5997601 = 10797^2 + 2449^2 .

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

It is a super-2 number, since 2×122572810² = 30048187502592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122572811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6128631 + ... + 6128650.

Almost surely, 2^122572810 is an apocalyptic number.

122572810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122572810 is a deficient number, since it is larger than the sum of its proper divisors (98058266).

122572810 is a wasteful number, since it uses less digits than its factorization.

122572810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12257288.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 122572810 is about 11071.2605425037. The cubic root of 122572810 is about 496.7425710656.

The spelling of 122572810 in words is "one hundred twenty-two million, five hundred seventy-two thousand, eight hundred ten".