122627745 has 24 divisors (see below), whose sum is σ = 213993000. Its totient is φ = 64958976.

The previous prime is 122627719. The next prime is 122627759. The reversal of 122627745 is 547726221.

It is a happy number.

122627745 is a `hidden beast` number, since 1 + 22 + 627 + 7 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21986721 + 100641024 = 4689^2 + 10032^2 .

It is not a de Polignac number, because 122627745 - 2⁹ = 122627233 is a prime.

It is a super-3 number, since 3×122627745³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2440 + ... + 15849.

It is an arithmetic number, because the mean of its divisors is an integer number (8916375).

Almost surely, 2^122627745 is an apocalyptic number.

122627745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122627745 is a deficient number, since it is larger than the sum of its proper divisors (91365255).

122627745 is a wasteful number, since it uses less digits than its factorization.

122627745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18449 (or 18446 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 122627745 is about 11073.7412377209. The cubic root of 122627745 is about 496.8167704398.

The spelling of 122627745 in words is "one hundred twenty-two million, six hundred twenty-seven thousand, seven hundred forty-five".