122709057 has 32 divisors (see below), whose sum is σ = 175921152. Its totient is φ = 75950784.

The previous prime is 122709031. The next prime is 122709089. The reversal of 122709057 is 750907221.

It is not a de Polignac number, because 122709057 - 2¹⁵ = 122676289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122709007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224058 + ... + 224604.

It is an arithmetic number, because the mean of its divisors is an integer number (5497536).

Almost surely, 2^122709057 is an apocalyptic number.

It is an amenable number.

122709057 is a deficient number, since it is larger than the sum of its proper divisors (53212095).

122709057 is a wasteful number, since it uses less digits than its factorization.

122709057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 122709057 is about 11077.4120172538. The cubic root of 122709057 is about 496.9265559256.

The spelling of 122709057 in words is "one hundred twenty-two million, seven hundred nine thousand, fifty-seven".