122065450 has 24 divisors (see below), whose sum is σ = 244507788. Its totient is φ = 45070080.

The previous prime is 122065421. The next prime is 122065451. The reversal of 122065450 is 54560221.

It can be written as a sum of positive squares in 6 ways, for example, as 16736281 + 105329169 = 4091^2 + 10263^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (122065451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93247 + ... + 94546.

Almost surely, 2^122065450 is an apocalyptic number.

122065450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122065450 is an abundant number, since it is smaller than the sum of its proper divisors (122442338).

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

122065450 is a wasteful number, since it uses less digits than its factorization.

122065450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187818 (or 187813 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 122065450 is about 11048.3234022181. The cubic root of 122065450 is about 496.0562419965.

The spelling of 122065450 in words is "one hundred twenty-two million, sixty-five thousand, four hundred fifty".