122507385 has 128 divisors (see below), whose sum is σ = 270950400. Its totient is φ = 45619200.

The previous prime is 122507369. The next prime is 122507393. The reversal of 122507385 is 583705221.

It is not a de Polignac number, because 122507385 - 2⁴ = 122507369 is a prime.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 615516 + ... + 615714.

It is an arithmetic number, because the mean of its divisors is an integer number (2116800).

Almost surely, 2^122507385 is an apocalyptic number.

122507385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122507385 is an abundant number, since it is smaller than the sum of its proper divisors (148443015).

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

122507385 is a wasteful number, since it uses less digits than its factorization.

122507385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 122507385 is about 11068.3054258545. The cubic root of 122507385 is about 496.6541741724.

The spelling of 122507385 in words is "one hundred twenty-two million, five hundred seven thousand, three hundred eighty-five".