122489340 has 24 divisors (see below), whose sum is σ = 342970320. Its totient is φ = 32663808.

The previous prime is 122489321. The next prime is 122489347. The reversal of 122489340 is 43984221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122489347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020685 + ... + 1020804.

It is an arithmetic number, because the mean of its divisors is an integer number (14290430).

Almost surely, 2^122489340 is an apocalyptic number.

122489340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122489340 is an abundant number, since it is smaller than the sum of its proper divisors (220480980).

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

122489340 is a wasteful number, since it uses less digits than its factorization.

122489340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041501 (or 2041499 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 122489340 is about 11067.4902304000. The cubic root of 122489340 is about 496.6297877116.

The spelling of 122489340 in words is "one hundred twenty-two million, four hundred eighty-nine thousand, three hundred forty".