122701161 has 16 divisors (see below), whose sum is σ = 182274048. Its totient is φ = 72781200.

The previous prime is 122701157. The next prime is 122701169. The reversal of 122701161 is 161107221.

It is a happy number.

It is not a de Polignac number, because 122701161 - 2² = 122701157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122701169) 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, 38005 + ... + 41106.

It is an arithmetic number, because the mean of its divisors is an integer number (11392128).

Almost surely, 2^122701161 is an apocalyptic number.

122701161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122701161 is a deficient number, since it is larger than the sum of its proper divisors (59572887).

122701161 is a wasteful number, since it uses less digits than its factorization.

122701161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79172.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 122701161 is about 11077.0556105853. The cubic root of 122701161 is about 496.9158970649.

Adding to 122701161 its reverse (161107221), we get a palindrome (283808382).

It can be divided in two parts, 12270 and 1161, that added together give a palindrome (13431).

The spelling of 122701161 in words is "one hundred twenty-two million, seven hundred one thousand, one hundred sixty-one".