122287810 has 8 divisors (see below), whose sum is σ = 220118076. Its totient is φ = 48915120.

The previous prime is 122287807. The next prime is 122287861. The reversal of 122287810 is 18782221.

It can be written as a sum of positive squares in 2 ways, for example, as 120626289 + 1661521 = 10983^2 + 1289^2 .

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

It is a super-2 number, since 2×122287810² = 29908616949192200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6114381 + ... + 6114400.

Almost surely, 2^122287810 is an apocalyptic number.

122287810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122287810 is a deficient number, since it is larger than the sum of its proper divisors (97830266).

122287810 is a wasteful number, since it uses less digits than its factorization.

122287810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12228788.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 122287810 is about 11058.3818888660. The cubic root of 122287810 is about 496.3572721842.

It can be divided in two parts, 12 and 2287810, that added together give a palindrome (2287822).

The spelling of 122287810 in words is "one hundred twenty-two million, two hundred eighty-seven thousand, eight hundred ten".