122580645 has 16 divisors (see below), whose sum is σ = 213959232. Its totient is φ = 59432960.

The previous prime is 122580643. The next prime is 122580649. The reversal of 122580645 is 546085221.

It is not a de Polignac number, because 122580645 - 2¹ = 122580643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122580643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371292 + ... + 371621.

It is an arithmetic number, because the mean of its divisors is an integer number (13372452).

Almost surely, 2^122580645 is an apocalyptic number.

122580645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122580645 is a deficient number, since it is larger than the sum of its proper divisors (91378587).

122580645 is a wasteful number, since it uses less digits than its factorization.

122580645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742932.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 122580645 is about 11071.6143809293. The cubic root of 122580645 is about 496.7531549656.

The spelling of 122580645 in words is "one hundred twenty-two million, five hundred eighty thousand, six hundred forty-five".