122075257 has 8 divisors (see below), whose sum is σ = 122945256. Its totient is φ = 121208832.

The previous prime is 122075251. The next prime is 122075267. The reversal of 122075257 is 752570221.

It can be written as a sum of positive squares in 4 ways, for example, as 17606416 + 104468841 = 4196^2 + 10221^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122075257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122075251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110733 + ... + 111829.

It is an arithmetic number, because the mean of its divisors is an integer number (15368157).

Almost surely, 2^122075257 is an apocalyptic number.

It is an amenable number.

122075257 is a deficient number, since it is larger than the sum of its proper divisors (869999).

122075257 is a wasteful number, since it uses less digits than its factorization.

122075257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 122075257 is about 11048.7672163006. The cubic root of 122075257 is about 496.0695263815.

The spelling of 122075257 in words is "one hundred twenty-two million, seventy-five thousand, two hundred fifty-seven".