122621010 has 32 divisors (see below), whose sum is σ = 295626240. Its totient is φ = 32550528.

The previous prime is 122620991. The next prime is 122621033. The reversal of 122621010 is 10126221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2475 + ... + 15854.

It is an arithmetic number, because the mean of its divisors is an integer number (9238320).

Almost surely, 2^122621010 is an apocalyptic number.

122621010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122621010 is an abundant number, since it is smaller than the sum of its proper divisors (173005230).

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

122621010 is a wasteful number, since it uses less digits than its factorization.

122621010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18562.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 122621010 is about 11073.4371357768. The cubic root of 122621010 is about 496.8076748304.

Adding to 122621010 its reverse (10126221), we get a palindrome (132747231).

The spelling of 122621010 in words is "one hundred twenty-two million, six hundred twenty-one thousand, ten".