122145310 has 32 divisors (see below), whose sum is σ = 253874880. Its totient is φ = 41444352.

The previous prime is 122145299. The next prime is 122145311. The reversal of 122145310 is 13541221.

It is a super-2 number, since 2×122145310² = 29838953509992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122145311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2205 + ... + 15784.

It is an arithmetic number, because the mean of its divisors is an integer number (7933590).

Almost surely, 2^122145310 is an apocalyptic number.

122145310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122145310 is an abundant number, since it is smaller than the sum of its proper divisors (131729570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122145310 is a wasteful number, since it uses less digits than its factorization.

122145310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18100.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 122145310 is about 11051.9369343116. The cubic root of 122145310 is about 496.1643982230.

Adding to 122145310 its reverse (13541221), we get a palindrome (135686531).

The spelling of 122145310 in words is "one hundred twenty-two million, one hundred forty-five thousand, three hundred ten".