122161059 has 6 divisors (see below), whose sum is σ = 176454876. Its totient is φ = 81440700.

The previous prime is 122161057. The next prime is 122161069. The reversal of 122161059 is 950161221.

It is not a de Polignac number, because 122161059 - 2¹ = 122161057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122161057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6786717 + ... + 6786734.

It is an arithmetic number, because the mean of its divisors is an integer number (29409146).

Almost surely, 2^122161059 is an apocalyptic number.

122161059 is a deficient number, since it is larger than the sum of its proper divisors (54293817).

122161059 is a wasteful number, since it uses less digits than its factorization.

122161059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13573457 (or 13573454 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 122161059 is about 11052.6494108879. The cubic root of 122161059 is about 496.1857218888.

The spelling of 122161059 in words is "one hundred twenty-two million, one hundred sixty-one thousand, fifty-nine".