122489010 has 192 divisors, whose sum is σ = 398361600. Its totient is φ = 26453952.

The previous prime is 122488969. The next prime is 122489023. The reversal of 122489010 is 10984221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 323001 + ... + 323379.

It is an arithmetic number, because the mean of its divisors is an integer number (2074800).

Almost surely, 2^122489010 is an apocalyptic number.

122489010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122489010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199180800).

122489010 is an abundant number, since it is smaller than the sum of its proper divisors (275872590).

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

122489010 is a wasteful number, since it uses less digits than its factorization.

122489010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 122489010 is about 11067.4753218609. The cubic root of 122489010 is about 496.6293417191.

The spelling of 122489010 in words is "one hundred twenty-two million, four hundred eighty-nine thousand, ten".