122451382 has 8 divisors (see below), whose sum is σ = 183797856. Its totient is φ = 61185432.

The previous prime is 122451367. The next prime is 122451383. The reversal of 122451382 is 283154221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×122451382³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122451382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122451383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16173 + ... + 22504.

It is an arithmetic number, because the mean of its divisors is an integer number (22974732).

Almost surely, 2^122451382 is an apocalyptic number.

122451382 is a deficient number, since it is larger than the sum of its proper divisors (61346474).

122451382 is a wasteful number, since it uses less digits than its factorization.

122451382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40262.

The product of its digits is 3840, while the sum is 28.

The square root of 122451382 is about 11065.7752552634. The cubic root of 122451382 is about 496.5784825094.

The spelling of 122451382 in words is "one hundred twenty-two million, four hundred fifty-one thousand, three hundred eighty-two".